Gaya APA

Keller, P., Pyzdek, T. (2013). THE HANDBOOK FOR QUALITY MANAGEMENT: A Complete Guide to Operational Excellence (2). United States of America: The McGraw-Hill Companies, Inc..

Gaya MLA

Keller, Paul., Pyzdek, Thomas. "THE HANDBOOK FOR QUALITY MANAGEMENT: A Complete Guide to Operational Excellence". 2 United States of America: The McGraw-Hill Companies, Inc., 2013. eBook.