Hawkins, R. R. 1. . . e. (1958). Scientific, medical and technical books published in the United States of America; a selected list of titles in print, with annotations (2nd ed., books published to December 1956. Prepared under the direction of the National Academy of Sciences, National Research Council's Committee on Bibliography of American Scientific and Technical Books.). s.n.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Hawkins, Reginald Robert 1902- ed. Scientific, Medical and Technical Books Published in the United States of America; a Selected List of Titles in Print, with Annotations. 2nd ed., books published to December 1956. Prepared under the direction of the National Academy of Sciences, National Research Council's Committee on Bibliography of American Scientific and Technical Books. Washington: s.n, 1958.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Hawkins, Reginald Robert 1902- ed. Scientific, Medical and Technical Books Published in the United States of America; a Selected List of Titles in Print, with Annotations. 2nd ed., books published to December 1956. Prepared under the direction of the National Academy of Sciences, National Research Council's Committee on Bibliography of American Scientific and Technical Books. s.n, 1958.