APA Citatie

Vernon, P. E. (1971). Certificate of secondary education: Introduction to objective type examination.

Chicago Style citaat

Vernon, Philip E. Certificate of Secondary Education: Introduction to Objective Type Examination. 1971.

MLA citatie

Vernon, Philip E. Certificate of Secondary Education: Introduction to Objective Type Examination. 1971.

Let op: Deze citaties zijn niet altijd 100% accuraat.