Rogal, B. (1974). Subdivision improvement guarantees. American Society of Planning Officials.
Cita Chicago (17th ed.)Rogal, Brian. Subdivision Improvement Guarantees. Chicago: American Society of Planning Officials, 1974.
Cita MLA (9th ed.)Rogal, Brian. Subdivision Improvement Guarantees. American Society of Planning Officials, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.