Sheppard, E. (1990). The capitalist space economy: Geographical analysis after. Unwin Human.
Cita Chicago (17th ed.)Sheppard, Eric. The Capitalist Space Economy: Geographical Analysis After. Lodndon: Unwin Human, 1990.
Cita MLA (9th ed.)Sheppard, Eric. The Capitalist Space Economy: Geographical Analysis After. Unwin Human, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.