APA aipamena

Benitez, H. Z. (1990). Legacy to posterity: An update report on the Philippine environment. Humanitarian Sciences Foundation.

Chicago Style aipamena

Benitez, Helena Z. Legacy to Posterity: An Update Report on the Philippine Environment. Manila: Humanitarian Sciences Foundation, 1990.

MLA aipamena

Benitez, Helena Z. Legacy to Posterity: An Update Report on the Philippine Environment. Humanitarian Sciences Foundation, 1990.