APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Blakemore, Michael, en Ian Masser. Handling Geographical Information: Methodology and Potential Applications. Harlow, Essex, England: Longman Scientific & Technical, 1991.

MLA (9e ed.) Bronvermelding

Blakemore, Michael, en Ian Masser. Handling Geographical Information: Methodology and Potential Applications. Longman Scientific & Technical, 1991.