APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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