Παραπομπή APA

Metcalfe, J. (1957). Information indexing and subject cataloguing: Alphabetical: classified : coordinate: mechanical. New York: Scarecrow Press.

Παραπομπή Chicago Style

Metcalfe, John. Information Indexing and Subject Cataloguing: Alphabetical: Classified : Coordinate: Mechanical. New York: Scarecrow Press, 1957.

Παραπομπή MLA

Metcalfe, John. Information Indexing and Subject Cataloguing: Alphabetical: Classified : Coordinate: Mechanical. New York: Scarecrow Press, 1957.

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