(1968). Research methods in librarianship: Measurement and evaluation. University of Illinois Graduate School of Library Science.
Citação do estilo Chicago (17ª ed.)Research Methods in Librarianship: Measurement and Evaluation. Urbana: University of Illinois Graduate School of Library Science, 1968.
Citação MLA (9ª ed.)Research Methods in Librarianship: Measurement and Evaluation. University of Illinois Graduate School of Library Science, 1968.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.