Citazione Stile APA (7a Edizione)

Digal, M. A. O., Ellson, A. G., & Pabularcon, L. N. (2007). A strategic plan for Matina Gold Circle Shell Station. School of Management, University of the Philippines Mindanao.

Citazione stile Chigago Style (17a edizione)

Digal, Mariel Ann O., Adela G. Ellson, e Liza N. Pabularcon. A Strategic Plan for Matina Gold Circle Shell Station. Davao City: School of Management, University of the Philippines Mindanao, 2007.

Citatione MLA (9a ed.)

Digal, Mariel Ann O., et al. A Strategic Plan for Matina Gold Circle Shell Station. School of Management, University of the Philippines Mindanao, 2007.