APA-referens (7:e uppl.)

SIMULATION.., SPREEN, T. H., & LAUGHLIN, D. H. (1986). Simulation of beef cattle production systems and issuse in economic analysis. Westview.

Chicago-referens (17:e uppl.)

SIMULATION.., Thomas H. SPREEN, och David H. LAUGHLIN. Simulation of Beef Cattle Production Systems and Issuse in Economic Analysis. Boulder: Westview, 1986.

MLA-referens (9:e uppl.)

SIMULATION.., et al. Simulation of Beef Cattle Production Systems and Issuse in Economic Analysis. Westview, 1986.