Karan, P. P. (1990). Bhutan: Environment, culture and development strategy.
Chicago Edition CitationKaran, P P. Bhutan: Environment, Culture and Development Strategy. New Delhi, Intellectual Publishing house, 1990.
Cita MLAKaran, P P. Bhutan: Environment, Culture and Development Strategy. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.