(1993). The Hutchinson paperback encyclopedia (2a. ed.). Helicon.
Cita Chicago (17th ed.)The Hutchinson Paperback Encyclopedia. 2a. ed. Helicon, 1993.
Cita MLA (9th ed.)The Hutchinson Paperback Encyclopedia. 2a. ed. Helicon, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.