APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Walker, A. (2006). Beginning the principalship: International views. Emerald Group Publishing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Allan Walker. Beginning the Principalship: International Views. Bradford, England: Emerald Group Publishing, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Allan Walker. Beginning the Principalship: International Views. Emerald Group Publishing, 2006.