Johnson, C. D. (1978). Developing Facility Maintenance Competencies for Career Resource Technicians. Module 21. Revised.
Chicago-Zitierstil (17. Ausg.)Johnson, Clarence D. Developing Facility Maintenance Competencies for Career Resource Technicians. Module 21. Revised. 1978.
MLA-Zitierstil (9. Ausg.)Johnson, Clarence D. Developing Facility Maintenance Competencies for Career Resource Technicians. Module 21. Revised. 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.