APA-ийн эшлэл(7 дахь хэвлэлт)

Hawkins, J., Hughes, C., & Scotland, R. (1997). Primary homology assessment, characters and character states.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hawkins, J., C. Hughes, ба R. Scotland. Primary Homology Assessment, Characters and Character States. 1997.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Hawkins, J., et al. Primary Homology Assessment, Characters and Character States. 1997.