APA-ийн эшлэл(7 дахь хэвлэлт)

Ehrhardt, V. P. (2011). Anthem critical thinking and writing skills: An introductory guide. Anthem Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ehrhardt, Victoria Pontzer. Anthem Critical Thinking and Writing Skills: An Introductory Guide. London ; New York: Anthem Press, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ehrhardt, Victoria Pontzer. Anthem Critical Thinking and Writing Skills: An Introductory Guide. Anthem Press, 2011.