एपीए उद्धरण

Mill, J. S. (1970). Principles of political economy: With some of their applications to social philosophy. Books IV & V. Harmondsworth: Penguin Books.

शिकागो स्टाइल उद्धरण

Mill, John Stuart. Principles of Political Economy: With Some of Their Applications to Social Philosophy. Books IV & V. Harmondsworth: Penguin Books, 1970.

एमएलए उद्धरण

Mill, John Stuart. Principles of Political Economy: With Some of Their Applications to Social Philosophy. Books IV & V. Harmondsworth: Penguin Books, 1970.