Citazione APA

Ebert, J. D. S. (1965). Interacting systems in development (2.).

Stile di citazione Chicago

Ebert, James D; Sussex. Interacting Systems in Development. 2. Holt, Rinehart and Winston, New York, 1965.

Citazione MLA

Ebert, James D; Sussex. Interacting Systems in Development. 2. 1965.