APA-ийн эшлэл(7 дахь хэвлэлт)

Osnowitz, D. (2010). Freelancing expertise: Contract professionals in the new economy. ILR Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Osnowitz, Debra. Freelancing Expertise: Contract Professionals in the New Economy. Ithaca: ILR Press, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Osnowitz, Debra. Freelancing Expertise: Contract Professionals in the New Economy. ILR Press, 2010.