Παραπομπή APA

Gassner, J., & Quinn, E. (1969). The reader's encyclopedia of world drama. Methuen.

Παραπομπή Chicago Style

Gassner, John, και Edward Quinn. The Reader's Encyclopedia of World Drama. London: Methuen, 1969.

Παραπομπή MLA

Gassner, John, και Edward Quinn. The Reader's Encyclopedia of World Drama. Methuen, 1969.