Cytowanie według stylu APA (wyd. 7)

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.

Cytowanie według stylu Chicago (wyd. 17)

De Guzman, Priscilla E., i 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.

Cytowanie według stylu MLA (wyd. 9)

De Guzman, Priscilla E., i 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.