APA-ийн эшлэл(7 дахь хэвлэлт)

Perkins, G. e. (1986). Employee communications in the public sector. Inst. of Personnell Management.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Perkins, Geoff ed. Employee Communications in the Public Sector. London: Inst. of Personnell Management, 1986.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Perkins, Geoff ed. Employee Communications in the Public Sector. Inst. of Personnell Management, 1986.