Christopherson, R. W. (2014). Geosystems: An introduction to physical geography (Eight edition, Pearson New International edition.). Pearson Education Limited.
Цитирование в стиле Чикаго (17-е изд.)Christopherson, Robert W. Geosystems: An Introduction to Physical Geography. Eight edition, Pearson New International edition. Harlow Essex, England: Pearson Education Limited, 2014.
Цитирование MLA (9-е изд.)Christopherson, Robert W. Geosystems: An Introduction to Physical Geography. Eight edition, Pearson New International edition. Pearson Education Limited, 2014.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.