Citazione Stile APA (7a Edizione)

Gwinup, T. (1971). Four Approaches to Teaching. 1. The Reference Course: Theory, Method, and Motivation.

Citazione stile Chigago Style (17a edizione)

Gwinup, Thomas. Four Approaches to Teaching. 1. The Reference Course: Theory, Method, and Motivation. 1971.

Citatione MLA (9a ed.)

Gwinup, Thomas. Four Approaches to Teaching. 1. The Reference Course: Theory, Method, and Motivation. 1971.