SPERO, Joan Edelman. The Politics of International Economic Relations. 4. ed. New York : St. Martin's Press, 1990. 404 s. ISBN 0-312-00497-4. [Copy count : 1, currently available 1, at library only 0]

SPERO, Joan Edelman. The Politics of International Economic Relations. 3. ed. New York : St. Martin's Press, 1985. 447 s. ISBN 0-312-62706-8. [Copy count : 1, currently available 1, at library only 0]