APA-ийн эшлэл(7 дахь хэвлэлт)

Schellong, A. (2008). Citizen relationship management: A study of CRM in government. Lang.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Schellong, Alexander. Citizen Relationship Management: A Study of CRM in Government. Frankfurt am Main: Lang, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Schellong, Alexander. Citizen Relationship Management: A Study of CRM in Government. Lang, 2008.