Παραπομπή APA

Stillman, W. J. (1978). Construction practices and project managers and super intendents. Reston.

Παραπομπή Chicago Style

Stillman, William James. Construction Practices and Project Managers and Super Intendents. Virginia: Reston, 1978.

Παραπομπή MLA

Stillman, William James. Construction Practices and Project Managers and Super Intendents. Reston, 1978.