Παραπομπή σε μορφή APA (7η εκδ.)

Masser, I., & Blakemore, M. J. (1991). Handling geographical information: Methodology and potential applications. Longman Scientific and Technical.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Masser, Ian, και M. J. Blakemore. Handling Geographical Information: Methodology and Potential Applications. London: Longman Scientific and Technical, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Masser, Ian, και M. J. Blakemore. Handling Geographical Information: Methodology and Potential Applications. Longman Scientific and Technical, 1991.