APA (7th ed.) Citation

Cowley, J. (2008). Saling Membantu. Indeks.

Chicago Style (17th ed.) Citation

Cowley, Joy. Saling Membantu. Indeks, 2008.

MLA (8th ed.) Citation

Cowley, Joy. Saling Membantu. Indeks, 2008.

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