APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Parnell, W. B. (2009). Gun control: Background, regulation and legislation. Nova Science Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба William B. Parnell. Gun Control: Background, Regulation and Legislation. New York: Nova Science Publishers, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба William B. Parnell. Gun Control: Background, Regulation and Legislation. Nova Science Publishers, 2009.