Maraykkar V. P. (1975). Theory of profit. Popular Prakashan.
Dyfyniad Arddull ChicagoMaraykkar V. P. Theory of Profit. Bombay: Popular Prakashan, 1975.
Dyfyniad MLAMaraykkar V. P. Theory of Profit. Popular Prakashan, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.