J. Burkart Matthew, & McCann Michael. (2005). Elevated Work Platforms and Scaffolding: Job Site Safety Manual (In lần thứ 1.). American: MC Graw Hill.
Chicago Stili AlıntıJ. Burkart Matthew, ve McCann Michael. Elevated Work Platforms and Scaffolding: Job Site Safety Manual. In lần thứ 1. American: MC Graw Hill, 2005.
MLA AlıntıJ. Burkart Matthew, ve McCann Michael. Elevated Work Platforms and Scaffolding: Job Site Safety Manual. In lần thứ 1. American: MC Graw Hill, 2005.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..