Pickerill Ken. (2006). Today's Technician: Classroom Manual for Automotive Engine Performance (Tái bản lần thứ 4.). American: Thomson Delmar Learning.
Chicago-tyylinen lähdeviittausPickerill Ken. Today's Technician: Classroom Manual for Automotive Engine Performance. Tái bản lần thứ 4. American: Thomson Delmar Learning, 2006.
MLA-viitePickerill Ken. Today's Technician: Classroom Manual for Automotive Engine Performance. Tái bản lần thứ 4. American: Thomson Delmar Learning, 2006.
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