APA (7th ed.) Citation

Boyer, S., & Boyer, L. (2002). Understanding English pronunciation : an integrated practice course. Susan Boyer ; co-produced by Leonard and Susan Boyer: An integrated practice course. Boyer Educational Resources.

Chicago Style (17th ed.) Citation

Boyer, Susan, and Leonard Boyer. Understanding English Pronunciation : An Integrated Practice Course. Susan Boyer ; Co-produced by Leonard and Susan Boyer: An Integrated Practice Course. Glenbrook, N.S.W.: Boyer Educational Resources, 2002.

MLA (9th ed.) Citation

Boyer, Susan, and Leonard Boyer. Understanding English Pronunciation : An Integrated Practice Course. Susan Boyer ; Co-produced by Leonard and Susan Boyer: An Integrated Practice Course. Boyer Educational Resources, 2002.

Warning: These citations may not always be 100% accurate.