APA-viite (7. p.)
Grigg, N. S., & Zenzen, M. (2009). The water workforce: Recruiting & retaining high-performance employees. American Water Works Association.
Chicago-viite (17. p.)
Grigg, Neil S., ja Mary Zenzen. The Water Workforce: Recruiting & Retaining High-performance Employees. Denver, Colo.: American Water Works Association, 2009.
MLA-viite (9. p.)
Grigg, Neil S., ja Mary Zenzen. The Water Workforce: Recruiting & Retaining High-performance Employees. American Water Works Association, 2009.
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