Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (9th ed.)

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

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