Gaya APA

HOPSON, ., McCourt, R, M. (1990). LABORATORY MANUAL to accompany ESSENTIALS OF BIOLOGY . United States of America: McGRAW-HILL PUBLISHING COMPANY.

Gaya MLA

HOPSON, ., McCourt, Richard, M.. "LABORATORY MANUAL to accompany ESSENTIALS OF BIOLOGY". United States of America: McGRAW-HILL PUBLISHING COMPANY, 1990. Text.