Cherunilam, F. (1990). Business environment (2nd ed.). Himalaya publishing house.
Dyfyniad Arddull ChicagoCherunilam, Francis. Business Environment. 2nd ed. Bombay: Himalaya publishing house, 1990.
Dyfyniad MLACherunilam, Francis. Business Environment. 2nd ed. Himalaya publishing house, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.