Παραπομπή APA

Waltman, P. E. (1974). Deterministic threshold models in the theory of epidemics. Springer-Verlag.

Παραπομπή Chicago Style

Waltman, Paul E. Deterministic Threshold Models in the Theory of Epidemics. Berlin, New York: Springer-Verlag, 1974.

Παραπομπή MLA

Waltman, Paul E. Deterministic Threshold Models in the Theory of Epidemics. Springer-Verlag, 1974.