Cita APA (7th ed.)

Niebel, B. W., & Freivalds, A. (2003). Methods, standards, and work design (11th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Niebel, Benjamin W., i Andris Freivalds. Methods, Standards, and Work Design. 11th ed. New York, N.Y: McGraw-Hill, 2003.

Cita MLA (9th ed.)

Niebel, Benjamin W., i Andris Freivalds. Methods, Standards, and Work Design. 11th ed. McGraw-Hill, 2003.