Citazione Stile APA (7a Edizione)

U.S. Foreign Service Institute, Boyle, E. L., & Delbridge, P. N. (1970). Cantonese: Basic course. D. C.

Citazione stile Chigago Style (17a edizione)

U.S. Foreign Service Institute, Elizabeth Latimore Boyle, e Pauline Ng Delbridge. Cantonese: Basic Course. Washington: D. C, 1970.

Citatione MLA (9a ed.)

U.S. Foreign Service Institute, et al. Cantonese: Basic Course. D. C, 1970.