APA (7e ed.) Bronvermelding

Heimler, C. H., & Price, J. S. (1984). Focus on physical science. Merrill.

Chicago (17e ed.) Bronvermelding

Heimler, Charles H., en Jack S. Price. Focus on Physical Science. Columbus, OH: Merrill, 1984.

MLA (9e ed.) Bronvermelding

Heimler, Charles H., en Jack S. Price. Focus on Physical Science. Merrill, 1984.