APA-referens (7:e uppl.)

(1953). Performance bonds for the installation of subdivision improvements. American Society of Planning Officials.

Chicago-referens (17:e uppl.)

Performance Bonds for the Installation of Subdivision Improvements. Chicago, Il: American Society of Planning Officials, 1953.

MLA-referens (9:e uppl.)

Performance Bonds for the Installation of Subdivision Improvements. American Society of Planning Officials, 1953.