APA引文

Pena, N. (1982). Philippine law on natural resources (1982 rev. ed.). Rex Book Store.

Chicago Style (17th ed.) Citation

Pena, Narciso. Philippine Law on Natural Resources. 1982 rev. ed. Manila: Rex Book Store, 1982.

MLA引文

Pena, Narciso. Philippine Law on Natural Resources. 1982 rev. ed. Rex Book Store, 1982.