Παραπομπή APA

Toynbee, A. J. (1966). Change and habit: The challenge of our time. Oxford University.

Παραπομπή Chicago Style

Toynbee, Arnold J. Change and Habit: The Challenge of Our Time. London: Oxford University, 1966.

Παραπομπή MLA

Toynbee, Arnold J. Change and Habit: The Challenge of Our Time. Oxford University, 1966.