APA引文

Sheeler, W. D. (1991). Welcome to English: Work Book 3/ Willard D. Sheeler; Susan C.Bayley. Indonesia: English Language Service Inc..

Chicago Style (17th ed.) Citation

Sheeler, Willard D. Welcome to English: Work Book 3/ Willard D. Sheeler; Susan C.Bayley. Indonesia: English Language Service Inc., 1991.

MLA引文

Sheeler, Willard D. Welcome to English: Work Book 3/ Willard D. Sheeler; Susan C.Bayley. Indonesia: English Language Service Inc., 1991.