Παραπομπή σε μορφή APA (7η εκδ.)

Lodwick, W. A. (2008). Fuzzy surfaces in GIS and geographical analysis: Theory, analytical methods, algorithms, and applications. CRC Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lodwick, Weldon A. Fuzzy Surfaces in GIS and Geographical Analysis: Theory, Analytical Methods, Algorithms, and Applications. Boca Raton: CRC Press, 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lodwick, Weldon A. Fuzzy Surfaces in GIS and Geographical Analysis: Theory, Analytical Methods, Algorithms, and Applications. CRC Press, 2008.