APA (7th ed.) Citation

Watcyn-Jones, P. (2007). Group work: Intermediate. Buku Prima Penguin English.

Chicago Style (17th ed.) Citation

Watcyn-Jones, Peter. Group Work: Intermediate. Harlow: Buku Prima Penguin English, 2007.

MLA (8th ed.) Citation

Watcyn-Jones, Peter. Group Work: Intermediate. Buku Prima Penguin English, 2007.

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