APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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