Basic reference books an introduction to the evaluation, study, and use of reference materials with special emphasis on some 300 titles.

Xehetasun bibliografikoak
Egile nagusia: SHores, Louis, 1904-
Formatua: Liburua
Hizkuntza:ingelesa
Argitaratua: Chicago American Library Association c1939
Edizioa:2nd ed.
Gaiak: