Gomes, R. D., & Espindola, C. R. (2007, December). Systemic interdisciplinarity and geographic environmental studies. Desenvolvimento e Meio Ambiente.
芝加哥风格引文Gomes, Rodrigo Dutra, 与 Carlos Roberto Espindola. "Systemic Interdisciplinarity and Geographic Environmental Studies." Desenvolvimento E Meio Ambiente Dec. 2007.
MLA引文Gomes, Rodrigo Dutra, 与 Carlos Roberto Espindola. "Systemic Interdisciplinarity and Geographic Environmental Studies." Desenvolvimento E Meio Ambiente, Dec. 2007.
警告：这些引文格式不一定是100％准确.