Heap, B. W. (1968). Guide to Carrers And Courses. Wardlock Educational.
シカゴスタイル引用形Heap, Brian W. Guide to Carrers And Courses. London: Wardlock Educational, 1968.
MLA引用形式Heap, Brian W. Guide to Carrers And Courses. Wardlock Educational, 1968.
警告: この引用は必ずしも正確ではありません.