Lua APA (7ú heag.)

(1989). Student's To Structural Design/Lavan,SA, Fletcher,BG. Butterwoths.

Lua i Stíl Chicago (17ú heag.)

Student's To Structural Design/Lavan,SA, Fletcher,BG. Butterwoths, 1989.

Lua MLA (8ú heag.)

Student's To Structural Design/Lavan,SA, Fletcher,BG. Butterwoths, 1989.

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