APA-referens (7:e uppl.)

Greene, H. A., & Petty, W. T. (1963). Developing language skills in the elementary schools (2d ed.). Allyn and Bacon.

Chicago-referens (17:e uppl.)

Greene, Harry Andrew, och Walter Thomas Petty. Developing Language Skills in the Elementary Schools. 2d ed. Boston: Allyn and Bacon, 1963.

MLA-referens (9:e uppl.)

Greene, Harry Andrew, och Walter Thomas Petty. Developing Language Skills in the Elementary Schools. 2d ed. Allyn and Bacon, 1963.