(1981). The Grolier international dictionary. Grolier Inc.
Cita Chicago (17th ed.)The Grolier International Dictionary. Danbury, Connecticut: Grolier Inc, 1981.
Cita MLA (9th ed.)The Grolier International Dictionary. Grolier Inc, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.