APA-referens (7:e uppl.)

Philippines.Protected Areas and Wildlife Bureau. (1992). NIPAS act: R.A. no. 7586 and implementing rules and regulation DAO 25, s.1992. PAWB.

Chicago-referens (17:e uppl.)

Philippines.Protected Areas and Wildlife Bureau. NIPAS Act: R.A. No. 7586 and Implementing Rules and Regulation DAO 25, S.1992. Quezon City: PAWB, 1992.

MLA-referens (9:e uppl.)

Philippines.Protected Areas and Wildlife Bureau. NIPAS Act: R.A. No. 7586 and Implementing Rules and Regulation DAO 25, S.1992. PAWB, 1992.

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