एपीए उद्धरण

Perrin, P. G. (1965). Writer's guide and index to English. Chicago: Scott, Foresman and Company.

शिकागो स्टाइल उद्धरण

Perrin, Porter G. Writer's Guide and Index to English. Chicago: Scott, Foresman and Company, 1965.

एमएलए उद्धरण

Perrin, Porter G. Writer's Guide and Index to English. Chicago: Scott, Foresman and Company, 1965.