APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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