APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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