Citazione Stile APA (7a Edizione)

So, F. S. (1973). Planned unit development ordinances. American Society of Planning Officials.

Citazione stile Chigago Style (17a edizione)

So, Frank S. Planned Unit Development Ordinances. Chicago: American Society of Planning Officials, 1973.

Citatione MLA (9a ed.)

So, Frank S. Planned Unit Development Ordinances. American Society of Planning Officials, 1973.