Gaya APA

Mill, R, C., Morrison, A, M. (1985). The Tourism System : An Introductory Text (Cetakan I). New Jersey: Prentice-Hall, Inc.

Gaya MLA

Mill, Robert, Christie., Morrison, Alastair, M.. "The Tourism System : An Introductory Text". Cetakan I New Jersey: Prentice-Hall, Inc, 1985. .