APA استشهاد

Pearce, C. (1971). Prediction techniques for marketing planners. Associated Business Programmes.

استشهاد بنمط شيكاغو

Pearce, Colin. Prediction Techniques for Marketing Planners. London: Associated Business Programmes, 1971.

MLA استشهاد

Pearce, Colin. Prediction Techniques for Marketing Planners. Associated Business Programmes, 1971.