APA (7th ed.) Citation

Birdsall, S. S., Gembirasari, Mulyana, D., & Florin, J. (1992). Garis besar geografi Amerika. John Willey r Sons.

Chicago Style (17th ed.) Citation

Birdsall, Stephen S., Gembirasari, Dedy Mulyana, and John Florin. Garis Besar Geografi Amerika. John Willey r Sons, 1992.

MLA (8th ed.) Citation

Birdsall, Stephen S., et al. Garis Besar Geografi Amerika. John Willey r Sons, 1992.