APA aipamena

Martinez, D. A., Bangalan, D. P., Santos, R. A., & Serdoncillo, G. (2004). An Industrial systems study for Spiga Coffee Cartel. College of Engineering.

Chicago Style aipamena

Martinez, Deanne A., Darwin P. Bangalan, Rowell Angelo Santos, and Guy Serdoncillo. An Industrial Systems Study for Spiga Coffee Cartel. Diliman, Quezon City: College of Engineering, 2004.

MLA aipamena

Martinez, Deanne A., et al. An Industrial Systems Study for Spiga Coffee Cartel. College of Engineering, 2004.