Gaya APA

Peper, G. et al (1991). Grand slam golf : courses og the masters, the U.S. open, the British open, the PGA championship . New York: Harry N.Adams Inc.

Gaya MLA

Peper, George. et al. "Grand slam golf : courses og the masters, the U.S. open, the British open, the PGA championship". New York: Harry N.Adams Inc, 1991. Text.