Mihelsons H & H.Mihelsons, J. (1970). Ornithological Researches in the Latvian SSR (1946-1970): A survey of trends and achievements for presentation to the 15. International Ornithological Congress, Hague, August 1970. Zinatne.
Цитирование в стиле Чикаго (17-е изд.)Mihelsons H и J.Viksne H.Mihelsons. Ornithological Researches in the Latvian SSR (1946-1970): A Survey of Trends and Achievements for Presentation to the 15. International Ornithological Congress, Hague, August 1970. Riga: Zinatne, 1970.
Цитирование MLA (8-е изд.)Mihelsons H и J.Viksne H.Mihelsons. Ornithological Researches in the Latvian SSR (1946-1970): A Survey of Trends and Achievements for Presentation to the 15. International Ornithological Congress, Hague, August 1970. Zinatne, 1970.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.