Costales, R., Ong, E., Pobre, N. Y., Santiago, N., & Umali, C. A. (1986). A Project study on Philippine Canning Corporation. Department of Industrial Engineering and Operations Research, College of Engineering, University of the Philippines.

Costales, Rodolfo, Emily Ong, Nancy Y. Pobre, Nelson Santiago, and Carlos Adolfo Umali. A Project Study on Philippine Canning Corporation. Quezon City: Department of Industrial Engineering and Operations Research, College of Engineering, University of the Philippines, 1986.

Costales, Rodolfo, et al. A Project Study on Philippine Canning Corporation. Department of Industrial Engineering and Operations Research, College of Engineering, University of the Philippines, 1986.