Cita APA (7th ed.)

Henkin, H. (1988). Drafting engineering contracts. Elsevier Applied Science.

Cita Chicago (17th ed.)

Henkin, Henry. Drafting Engineering Contracts. London ; New York: Elsevier Applied Science, 1988.

Cita MLA (8th ed.)

Henkin, Henry. Drafting Engineering Contracts. Elsevier Applied Science, 1988.