Resource Modeling Association. (1986). Natural Resource Modeling. Rocky Mountain Mathematics Consortium.
Citação do estilo Chicago (17ª ed.)Resource Modeling Association. Natural Resource Modeling. Tempe, Ariz: Rocky Mountain Mathematics Consortium, 1986.
Citação MLA (8ª ed.)Resource Modeling Association. Natural Resource Modeling. Rocky Mountain Mathematics Consortium, 1986.
警告：這些引文格式不一定是100％准確.