Rossotto, C. Competition in International Voice Communications. Washington: The World Bank, 2004 XI, 42 с. : с табл., диагр., к, 0-8213-5951-7.
Rossotto, C. Competition in International Voice Communications. Washington: The World Bank, 2004 XI, 42 с. : с табл., диагр., к, 0-8213-5951-7.
Rossotto, C. (2004) Competition in International Voice Communications, Washington: The World Bank XI, 42 с. : с табл., диагр., к, 0-8213-5951-7.
Rossotto, C. (2004). Competition in International Voice Communications. Washington: The World Bank, XI, 42 с. : с табл., диагр., к.
Rossotto C. Competition in International Voice Communications. Washington: The World Bank; 2004. p. XI, 42 с. : с табл., диагр., к. ISBN: 0-8213-5951-7.