Balboa, J. D., & Medalla, E. M. (2006). State of trade and investments in the Philippines. Philippine Institute for Development Studies.
Citazione stile Chigago Style (17a edizione)Balboa, Jenny D., e Erlinda M. Medalla. State of Trade and Investments in the Philippines. Makati City: Philippine Institute for Development Studies, 2006.
Citatione MLA (9a ed.)Balboa, Jenny D., e Erlinda M. Medalla. State of Trade and Investments in the Philippines. Philippine Institute for Development Studies, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.