Cita APA (7th ed.)

(1944). National design specification for stress-grade lumber and its fastenings.

Cita Chicago (17th ed.)

National Design Specification for Stress-grade Lumber and Its Fastenings. 1944.

Cita MLA (9th ed.)

National Design Specification for Stress-grade Lumber and Its Fastenings. 1944.

Atenció: Aquestes cites poden no estar 100% correctes.