APA (7th ed.) Citation

Purcell, E. J., & Varberg, D. (2011). Kalkulus 2. Erlangga.

Chicago Style (17th ed.) Citation

Purcell, Edwin J., and Dale Varberg. Kalkulus 2. Erlangga, 2011.

MLA (8th ed.) Citation

Purcell, Edwin J., and Dale Varberg. Kalkulus 2. Erlangga, 2011.

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