University of the Philippines, Quezon City, Institute for Science and Mathematics. Earth Science Project Team. (1987). Earth science : the Philippines in focus: Teacher's guide. The Institute.
Chicago Style (17th ed.) CitationUniversity of the Philippines, Quezon City, Institute for Science and Mathematics. Earth Science Project Team. Earth Science : The Philippines in Focus: Teacher's Guide. Quezon City: The Institute, 1987.
MLA (9th ed.) CitationUniversity of the Philippines, Quezon City, Institute for Science and Mathematics. Earth Science Project Team. Earth Science : The Philippines in Focus: Teacher's Guide. The Institute, 1987.
Warning: These citations may not always be 100% accurate.