APA引文

Sheeler, W. D. (1991). Welcome To English 5: Buku Penuntun/ Willard D. Sheeler. Indonesia: English Language Services.Inc..

Chicago Style (17th ed.) Citation

Sheeler, Willard D. Welcome To English 5: Buku Penuntun/ Willard D. Sheeler. Indonesia: English Language Services.Inc., 1991.

MLA引文

Sheeler, Willard D. Welcome To English 5: Buku Penuntun/ Willard D. Sheeler. Indonesia: English Language Services.Inc., 1991.

警告：这些引文格式不一定是100％准确.