APA (7e ed.) Bronvermelding

Dull, C. E. (1925). High school chemistry. H. Holt and company.

Chicago (17e ed.) Bronvermelding

Dull, Charles E. High School Chemistry. New York: H. Holt and company, 1925.

MLA (8e ed.) Bronvermelding

Dull, Charles E. High School Chemistry. H. Holt and company, 1925.