APA (7th ed.) Citation

Purcell, E. J., & Varberg, D. (1984). Kalkulus. Mawar Gempita.

Chicago Style (17th ed.) Citation

Purcell, Edwin J., and Dale Varberg. Kalkulus. Mawar Gempita, 1984.

MLA (8th ed.) Citation

Purcell, Edwin J., and Dale Varberg. Kalkulus. Mawar Gempita, 1984.

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