Dyfyniad APA

John, M. (1965). Alphabetical subject indication of information. Graduate School Library Services.

Dyfyniad Arddull Chicago

John, M. Alphabetical Subject Indication of Information. New Jursey: Graduate School Library Services, 1965.

Dyfyniad MLA

John, M. Alphabetical Subject Indication of Information. Graduate School Library Services, 1965.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.