APA (7e ed.) Bronvermelding

Bonnet, B., & Keen, D. (1997). Science fair projects: Energy. Sterling Pub.

Chicago (17e ed.) Bronvermelding

Bonnet, Bob, en Dan Keen. Science Fair Projects: Energy. New York: Sterling Pub, 1997.

MLA (9e ed.) Bronvermelding

Bonnet, Bob, en Dan Keen. Science Fair Projects: Energy. Sterling Pub, 1997.