APA (7th ed.) Citation

Farmer, E. L., & Duffy, G. L. (2022). The ASQ Certified Six Sigma Yellow Belt Study Guide.

Chicago Style (17th ed.) Citation

Farmer, Erica L., and Grace L. Duffy. The ASQ Certified Six Sigma Yellow Belt Study Guide. 2022.

MLA (9th ed.) Citation

Farmer, Erica L., and Grace L. Duffy. The ASQ Certified Six Sigma Yellow Belt Study Guide. 2022.

Warning: These citations may not always be 100% accurate.