Gaya APA

Farness, J. (1991). Problems of Pluto's W r i t i n g (edisi revisi). America: The Pennsylvania State University Press, University Park, PA 16802–1003.

Gaya MLA

Farness, Jay. "Problems of Pluto's W r i t i n g". edisi revisi America: The Pennsylvania State University Press, University Park, PA 16802–1003, 1991. Art Original.