APA-čujuhus (7. p.)
Steffen, T. A., & Pennoyer, F. D. (2001). Caring for the harvest force in the new millennium. William Carey Library.
Chicago-čujuhus (17. p.)
Steffen, Tom A., juo Fredrick Douglas Pennoyer. Caring for the Harvest Force in the New Millennium. Pasadena, Calif.: William Carey Library, 2001.
MLA-čujuhus (9. p.)
Steffen, Tom A., juo Fredrick Douglas Pennoyer. Caring for the Harvest Force in the New Millennium. William Carey Library, 2001.
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