APA način citiranja (7. izdanje)

Spence, W. P. (1998). Construction methods, materials, and techniques. Delmar Pub.

Čikaški stil citiranja (17. izdanje)

Spence, William Perkins. Construction Methods, Materials, and Techniques. Albany, N.Y: Delmar Pub, 1998.

MLA način citiranja (9. izdanje)

Spence, William Perkins. Construction Methods, Materials, and Techniques. Delmar Pub, 1998.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.