APA-ийн эшлэл(7 дахь хэвлэлт)

Berry, R. (1994). The research project: How to write it (3rd.). Roultdge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Berry, Ralph. The Research Project: How to Write It. 3rd. London: Roultdge, 1994.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Berry, Ralph. The Research Project: How to Write It. 3rd. Roultdge, 1994.