APA aipamena

Watkins, A. (1974). The Old Straight Track (1st.). Abacus Sphere Books Ltd.

Chicago Style aipamena

Watkins, Alfred. The Old Straight Track. 1st. Great Britain: Abacus Sphere Books Ltd, 1974.

MLA aipamena

Watkins, Alfred. The Old Straight Track. 1st. Abacus Sphere Books Ltd, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.