APA (7e ed.) Bronvermelding

Lam, N. S. N., & De Cola, L. (1993). Fractals in geography. PTR Prentice Hall.

Chicago (17e ed.) Bronvermelding

Lam, Nina Siu Ngan, en Lee De Cola. Fractals in Geography. Englewood Cliffs, N.J: PTR Prentice Hall, 1993.

MLA (9e ed.) Bronvermelding

Lam, Nina Siu Ngan, en Lee De Cola. Fractals in Geography. PTR Prentice Hall, 1993.