एपीए उद्धरण

Schmitz, R. M. (1964). Preparing the research papers: A handbook (4th ed.).

शिकागो स्टाइल उद्धरण

Schmitz, Robert M. Preparing the Research Papers: A Handbook. 4th ed. 1964.

एमएलए उद्धरण

Schmitz, Robert M. Preparing the Research Papers: A Handbook. 4th ed. 1964.