APA-referens (7:e uppl.)

Leffelaar, P. (1993). On systems analysis and simulation of ecological processes: With examples in CSMP and FORTRAN. Kluwer.

Chicago-referens (17:e uppl.)

Leffelaar, P.A. On Systems Analysis and Simulation of Ecological Processes: With Examples in CSMP and FORTRAN. Dordrecht: Kluwer, 1993.

MLA-referens (9:e uppl.)

Leffelaar, P.A. On Systems Analysis and Simulation of Ecological Processes: With Examples in CSMP and FORTRAN. Kluwer, 1993.

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