Cita APA

Science Education Center, U. o. t. P. (1972). Environmental science 1: Pupil's guide part 2. Science Education Center, University of the Philippines.

Citación estilo Chicago

Science Education Center, University of the Philippines. Environmental Science 1: Pupil's Guide Part 2. Quezon City: Science Education Center, University of the Philippines, 1972.

Cita MLA

Science Education Center, University of the Philippines. Environmental Science 1: Pupil's Guide Part 2. Science Education Center, University of the Philippines, 1972.