एपीए उद्धरण

Heap, B. W. (1968). Guide to Carrers And Courses. Wardlock Educational.

शिकागो स्टाइल उद्धरण

Heap, Brian W. Guide to Carrers And Courses. London: Wardlock Educational, 1968.

एमएलए उद्धरण

Heap, Brian W. Guide to Carrers And Courses. Wardlock Educational, 1968.