Citazione Stile APA (7a Edizione)

South African Bureau of Standards. Standard specification for softwood studs for timber frames in buildings. South African Bureau of Standards.

Citazione stile Chigago Style (17a edizione)

South African Bureau of Standards. Standard Specification for Softwood Studs for Timber Frames in Buildings. South Africa: South African Bureau of Standards.

Citatione MLA (9a ed.)

South African Bureau of Standards. Standard Specification for Softwood Studs for Timber Frames in Buildings. South African Bureau of Standards.