APA (7e ed.) Bronvermelding

Birch, C. E. (1928). Fundamentals of business practice: Laboratory material for use in junior business training courses. Gregg Publishing Co..

Chicago (17e ed.) Bronvermelding

Birch, Clarence E. Fundamentals of Business Practice: Laboratory Material for Use in Junior Business Training Courses. New York [etc.]: Gregg Publishing Co., 1928.

MLA (8e ed.) Bronvermelding

Birch, Clarence E. Fundamentals of Business Practice: Laboratory Material for Use in Junior Business Training Courses. Gregg Publishing Co., 1928.