Saigo, B. W., Cunningham, W. P., & Phillips, G. S. (1992). Environmental science: A global concern ; environmental issues and analysis workbook. Brown.
Citazione stile Chigago Style (17a edizione)Saigo, Barbara Woodworth, William P. Cunningham, e Gary S. Phillips. Environmental Science: A Global Concern ; Environmental Issues and Analysis Workbook. Dubuque, Iowa: Brown, 1992.
Citatione MLA (9a ed.)Saigo, Barbara Woodworth, et al. Environmental Science: A Global Concern ; Environmental Issues and Analysis Workbook. Brown, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.