Cita APA (7th ed.)

Balboa, J. D., & Medalla, E. M. (2006). State of trade and investments in the Philippines. Philippine Institute for Development Studies.

Cita Chicago (17th ed.)

Balboa, Jenny D., i Erlinda M. Medalla. State of Trade and Investments in the Philippines. Makati City: Philippine Institute for Development Studies, 2006.

Cita MLA (9th ed.)

Balboa, Jenny D., i Erlinda M. Medalla. State of Trade and Investments in the Philippines. Philippine Institute for Development Studies, 2006.