Cita APA (7th ed.)

Dillavou, E. R. (1928). Principles of business law. Prentice-Hall, Inc.

Cita Chicago (17th ed.)

Dillavou, Essel Ray. Principles of Business Law. New York: Prentice-Hall, Inc, 1928.

Cita MLA (9th ed.)

Dillavou, Essel Ray. Principles of Business Law. Prentice-Hall, Inc, 1928.