Singh, B. D. Environmental management: A geographical study of Sultanpur district. Deep and Deep Pubs. 1992.
Цитирование в стиле Чикаго (17-е изд.)Singh, Beena Devi. Environmental Management: A Geographical Study of Sultanpur District. Deep and Deep Pubs. 1992.
Цитирование MLA (9-е изд.)Singh, Beena Devi. Environmental Management: A Geographical Study of Sultanpur District. Deep and Deep Pubs. 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.