Cita APA (7th ed.)

Rees, D. (1977). Cross-country skiing: Touring and competition (Rev. ed.). Copp Clark Pub..

Cita Chicago (17th ed.)

Rees, David. Cross-country Skiing: Touring and Competition. Rev. ed. Toronto: Copp Clark Pub., 1977.

Cita MLA (8th ed.)

Rees, David. Cross-country Skiing: Touring and Competition. Rev. ed. Copp Clark Pub., 1977.