Beyer, H. O. (1961). Philippine tektites: A contribution to the study of the tektite problem in general, in the light of both past and recent discoveries. [Office of Research Coordination, University of the Philippines].
Цитирование в стиле Чикаго (17-е изд.)Beyer, Henry Otley. Philippine Tektites: A Contribution to the Study of the Tektite Problem in General, in the Light of Both Past and Recent Discoveries. Quezon City: [Office of Research Coordination, University of the Philippines], 1961.
Цитирование MLA (9-е изд.)Beyer, Henry Otley. Philippine Tektites: A Contribution to the Study of the Tektite Problem in General, in the Light of Both Past and Recent Discoveries. [Office of Research Coordination, University of the Philippines], 1961.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.