Webster, J., & Jay Webster. (2001). Outdoor Power Equipment Lab Manual. United states: Cengage Learning, Inc.
Trích dẫn kiểu ChicagoWebster, Jay, và Jay Webster. Outdoor Power Equipment Lab Manual. United states: Cengage Learning, Inc, 2001.
MLA CitationWebster, Jay, và Jay Webster. Outdoor Power Equipment Lab Manual. United states: Cengage Learning, Inc, 2001.
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