APA (7th ed.) Citation

Alcala, A. C. (1993). State of the Philippine environment and natural resources. Public Affairs Office.

Chicago Style (17th ed.) Citation

Alcala, Angel Chua. State of the Philippine Environment and Natural Resources. Quezon City: Public Affairs Office, 1993.

MLA (9th ed.) Citation

Alcala, Angel Chua. State of the Philippine Environment and Natural Resources. Public Affairs Office, 1993.

Warning: These citations may not always be 100% accurate.