APA (7e ed.) Bronvermelding

CASSIDY, J., ROETTGER, D., & WIXSON, K. K. (1987). Climb the hills. Scribner Educational Publishers.

Chicago (17e ed.) Bronvermelding

CASSIDY, Jack, Doris ROETTGER, en Karen K. WIXSON. Climb the Hills. New York: Scribner Educational Publishers, 1987.

MLA (9e ed.) Bronvermelding

CASSIDY, Jack, et al. Climb the Hills. Scribner Educational Publishers, 1987.