APA aipamena

De Guzman, P. E., & Robles, K. C. (2006). The role of contractual employment in the business firms and impact on the employees. University of the Philippines Diliman Extension Program in Pampanga.

Chicago Style aipamena

De Guzman, Priscilla E., and Kathyrine C. Robles. The Role of Contractual Employment in the Business Firms and Impact on the Employees. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2006.

MLA aipamena

De Guzman, Priscilla E., and Kathyrine C. Robles. The Role of Contractual Employment in the Business Firms and Impact on the Employees. University of the Philippines Diliman Extension Program in Pampanga, 2006.