Duck, R., Jones, A., & Weyers, J. (2000). Practical skills in environmental science. London: Prentice-Hall.
Chicago-стиль цитированияDuck, Rob, Allan Jones, và Jonathans Weyers. Practical Skills in Environmental Science. London: Prentice-Hall, 2000.
MLA-цитированиеDuck, Rob, Allan Jones, và Jonathans Weyers. Practical Skills in Environmental Science. London: Prentice-Hall, 2000.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.