APA (7e ed.) Bronvermelding

Gastwirth, P., & Plover, C. L. (1967). Building language power series (Teacher's ed.). Charles E. Merrill Pub. Co..

Chicago (17e ed.) Bronvermelding

Gastwirth, Paul, en Catherine L. Plover. Building Language Power Series. Teacher's ed. Columbus, Oh.: Charles E. Merrill Pub. Co., 1967.

MLA (8e ed.) Bronvermelding

Gastwirth, Paul, en Catherine L. Plover. Building Language Power Series. Teacher's ed. Charles E. Merrill Pub. Co., 1967.