APA aipamena

Earth Science Curriculum Project. (1967). Investigating the earth: Earth Science Curriculum Project. Houghton Mifflin.

Chicago Style aipamena

Earth Science Curriculum Project. Investigating the Earth: Earth Science Curriculum Project. New York: Houghton Mifflin, 1967.

MLA aipamena

Earth Science Curriculum Project. Investigating the Earth: Earth Science Curriculum Project. Houghton Mifflin, 1967.