Campbell, C., Duckworth, M., & Gude, K. (2002). Matrix: Pre - Intermediate Teacher's book. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoCampbell, Colin, Michael Duckworth, và Kathy Gude. Matrix: Pre - Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.
MLA引文Campbell, Colin, Michael Duckworth, và Kathy Gude. Matrix: Pre - Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.
警告:這些引文格式不一定是100%准確.