Παραπομπή APA

Gaskill, W. (1988). A sense of direction (1st Limelight ed.). Faber and faber.

Παραπομπή Chicago Style

Gaskill, William. A Sense of Direction. 1st Limelight ed. London: Faber and faber, 1988.

Παραπομπή MLA

Gaskill, William. A Sense of Direction. 1st Limelight ed. Faber and faber, 1988.