Παραπομπή APA

Vernon, M. W. (1974). Introductory psychology: Mastery course book with performance objectives. Rand Mcnally College Publishing Co.

Παραπομπή Chicago Style

Vernon, M Walter. Introductory Psychology: Mastery Course Book with Performance Objectives. Chicago: Rand Mcnally College Publishing Co, 1974.

Παραπομπή MLA

Vernon, M Walter. Introductory Psychology: Mastery Course Book with Performance Objectives. Rand Mcnally College Publishing Co, 1974.