Whyman, K. (1986). STRUCTURES AND MATERIALS. Aladdin Books Ltd.
Lua i Stíl Chicago (17ú heag.)Whyman, Kathryn. STRUCTURES AND MATERIALS. Aladdin Books Ltd, 1986.
Lua MLA (8ú heag.)Whyman, Kathryn. STRUCTURES AND MATERIALS. Aladdin Books Ltd, 1986.
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