Dyfyniad APA

Johnson, P. L. (2000). ISO 9000: The year 2000 and beyond (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Johnson, Perry L. ISO 9000: The Year 2000 and Beyond. 3rd ed. New York: McGraw-Hill, 2000.

Dyfyniad MLA

Johnson, Perry L. ISO 9000: The Year 2000 and Beyond. 3rd ed. McGraw-Hill, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.