Παραπομπή APA

Brickner,William H, & Cope,Donald M. (1977). The planning process. Winthrop.

Παραπομπή Chicago Style

Brickner,William H, και Cope,Donald M. The Planning Process. Massachusetts: Winthrop, 1977.

Παραπομπή MLA

Brickner,William H, και Cope,Donald M. The Planning Process. Winthrop, 1977.