South African Bureau of Standards. Standard specification for softwood studs for timber frames in buildings. South African Bureau of Standards.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSouth African Bureau of Standards. Standard Specification for Softwood Studs for Timber Frames in Buildings. South Africa: South African Bureau of Standards.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSouth African Bureau of Standards. Standard Specification for Softwood Studs for Timber Frames in Buildings. South African Bureau of Standards.
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