APA-Zitierstil (7. Ausg.)

Philip Lief Group, Princeton Language Institute, & O'Connor, J. (1994). 21st century guide to pronunciation. Dell.

Chicago-Zitierstil (17. Ausg.)

Philip Lief Group, Princeton Language Institute, und Joyce O'Connor. 21st Century Guide to Pronunciation. New York: Dell, 1994.

MLA-Zitierstil (9. Ausg.)

Philip Lief Group, et al. 21st Century Guide to Pronunciation. Dell, 1994.