Flood, J., & Lapp, D. (1989). Observing. New York: Macmillan Publishing Company.
Trích dẫn kiểu ChicagoFlood, James., và Diane Lapp. Observing. New York: Macmillan Publishing Company, 1989.
MLA引文Flood, James., và Diane Lapp. Observing. New York: Macmillan Publishing Company, 1989.
警告:這些引文格式不一定是100%准確.