APA (7e ed.) Bronvermelding

Cole, A. J. (1966). An iterative approach to the fitting of trend surfaces. The University of Kansas.

Chicago (17e ed.) Bronvermelding

Cole, A. J. An Iterative Approach to the Fitting of Trend Surfaces. Lawrence: The University of Kansas, 1966.

MLA (9e ed.) Bronvermelding

Cole, A. J. An Iterative Approach to the Fitting of Trend Surfaces. The University of Kansas, 1966.