J. Burkart Matthew, & McCann Michael. (2005). Elevated Work Platforms and Scaffolding: Job Site Safety Manual (In lần thứ 1.). American: MC Graw Hill.
Chicago Style CitationJ. Burkart Matthew, i McCann Michael. Elevated Work Platforms and Scaffolding: Job Site Safety Manual. In lần thứ 1. American: MC Graw Hill, 2005.
Cita MLAJ. Burkart Matthew, i McCann Michael. Elevated Work Platforms and Scaffolding: Job Site Safety Manual. In lần thứ 1. American: MC Graw Hill, 2005.
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