APA-ийн эшлэл(7 дахь хэвлэлт)

Ashford, D. E. (1992). History and Context in Comparative Public Policy. University of Pittsburgh Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ashford, Douglas E. History and Context in Comparative Public Policy. Pittsburgh: University of Pittsburgh Press, 1992.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ashford, Douglas E. History and Context in Comparative Public Policy. University of Pittsburgh Press, 1992.