Gaya APA

Parkinson, C, N, R, N. (1977). Communicate: Parkinson's formula for business survival (Hardcopy). Englewood Cliffs: Prentice-Hall International.

Gaya MLA

Parkinson, C., Northcote;, Rowe,, Nigel. "Communicate: Parkinson's formula for business survival". Hardcopy Englewood Cliffs: Prentice-Hall International, 1977. Buku.