APA (7e ed.) Bronvermelding

Yost, E. (1949). Frank and Lillain Gilbreth, partners for life. American Society of Mechanical Engineers.

Chicago (17e ed.) Bronvermelding

Yost, Edna. Frank and Lillain Gilbreth, Partners for Life. New York: American Society of Mechanical Engineers, 1949.

MLA (9e ed.) Bronvermelding

Yost, Edna. Frank and Lillain Gilbreth, Partners for Life. American Society of Mechanical Engineers, 1949.

Let op: Deze citaties zijn niet altijd 100% accuraat.