APA-ийн эшлэл(7 дахь хэвлэлт)

Hatfield, N. J. (1978). Basic market, research techniques for transit systems. U.S. Department of Commerce.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hatfield, Nancy J. Basic Market, Research Techniques for Transit Systems. Austin: U.S. Department of Commerce, 1978.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Hatfield, Nancy J. Basic Market, Research Techniques for Transit Systems. U.S. Department of Commerce, 1978.