Cita APA (7th ed.)

Spence, W. P., & Michael B. Atkins. (1980). Technical drafting: Metric design and communication. National Book Store.

Cita Chicago (17th ed.)

Spence, William Perkins, i Michael B. Atkins. Technical Drafting: Metric Design and Communication. Manila: National Book Store, 1980.

Cita MLA (9th ed.)

Spence, William Perkins, i Michael B. Atkins. Technical Drafting: Metric Design and Communication. National Book Store, 1980.