Citazione Stile APA (7a Edizione)

Planning Resources and Operations Systems, Inc. (1990). The power situation in the Philippines 1990. Planning Resources and Operations Systems.

Citazione stile Chigago Style (17a edizione)

Planning Resources and Operations Systems, Inc. The Power Situation in the Philippines 1990. Diliman, Quezon City: Planning Resources and Operations Systems, 1990.

Citatione MLA (9a ed.)

Planning Resources and Operations Systems, Inc. The Power Situation in the Philippines 1990. Planning Resources and Operations Systems, 1990.