Gaya APA
Building Timbers. (1943).
London:
George Newnes Limited.
Gaya Chicago
Building Timbers.
Cet.1.
London:
George Newnes Limited,
1943.
.
Gaya MLA
Building Timbers.
Cet.1.
London:
George Newnes Limited,
1943.
.
Gaya Turabian
Building Timbers.
London:
George Newnes Limited,
1943.
.