APA-ийн эшлэл(7 дахь хэвлэлт)

Heyse, L. (2006). Choosing the lesser evil: Understanding decision making in humanitarian aid NGOs. Ashgate.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Heyse, Liesbet. Choosing the Lesser Evil: Understanding Decision Making in Humanitarian Aid NGOs. Aldershot, England ; Burlington, VT: Ashgate, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Heyse, Liesbet. Choosing the Lesser Evil: Understanding Decision Making in Humanitarian Aid NGOs. Ashgate, 2006.