Unesco. (1971). The surveillance and prediction of volcanic activity: A review of methods and techniques. Unesco.
Citace podle Chicago (17th ed.)Unesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Paris: Unesco, 1971.
Citace podle MLA (9th ed.)Unesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Unesco, 1971.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..