APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.