Cita APA (7th ed.)

Virola, R. A., dePerio, S. M., & Angeles, E. T. (2000). Environmental accounting in the Philippines. National Statistical Coordination Board.

Cita Chicago (17th ed.)

Virola, Romulo A., Sylvia M. dePerio, i Eduardo T. Angeles. Environmental Accounting in the Philippines. Makati City: National Statistical Coordination Board, 2000.

Cita MLA (9th ed.)

Virola, Romulo A., et al. Environmental Accounting in the Philippines. National Statistical Coordination Board, 2000.