Henderson, S., & Gray, J. (1981). Discovering English: Teacher's book. Cassell.
Chicago Style (17th ed.) CitationHenderson, Susan, and Joanna Gray. Discovering English: Teacher's Book. London: Cassell, 1981.
MLA (9th ed.) CitationHenderson, Susan, and Joanna Gray. Discovering English: Teacher's Book. Cassell, 1981.
Warning: These citations may not always be 100% accurate.