APA

Wellstead P. E., . (1979). Introduction to physical system modelling. London [u.a.]: Acad. Pr.

Chicago

Wellstead P E, . 1979. Introduction to physical system modelling. London [u.a.]: Acad. Pr.

Harvard

Wellstead P. E., . (1979). Introduction to physical system modelling. London [u.a.]: Acad. Pr.

MLA

Wellstead P E, . Introduction to physical system modelling. London [u.a.]: Acad. Pr. 1979.