Parker, H. (1974). Simplified design of structural steel (4th ed.). Apson Enterprises.
Čikaški stil citiranja (17. izdanje)Parker, Harry. Simplified Design of Structural Steel. 4th ed. Quezon City: Apson Enterprises, 1974.
MLA način citiranja (9. izdanje)Parker, Harry. Simplified Design of Structural Steel. 4th ed. Apson Enterprises, 1974.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.