Gaya APA

Cowan, H, J. (1976). (TEKNIK SIPIL 1) Architectural Structures An Introduction to Structural Mechanics (2). United States of America: Elsevier Ltd.

Gaya MLA

Cowan, Henry, J.. "(TEKNIK SIPIL 1) Architectural Structures An Introduction to Structural Mechanics". 2 United States of America: Elsevier Ltd, 1976. .