Παραπομπή σε μορφή APA (7η εκδ.)

Gassner, J. (1965). Directions in modern theatre and drama, an expanded ed. of Form and idea in modern theatre. Rinehart and Winston.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gassner, John. Directions in Modern Theatre and Drama, an Expanded Ed. of Form and Idea in Modern Theatre. New York: Rinehart and Winston, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gassner, John. Directions in Modern Theatre and Drama, an Expanded Ed. of Form and Idea in Modern Theatre. Rinehart and Winston, 1965.