[Unknown]. (1997). [Book title inferred from ISBN 0-02-827879-8]. Glencoe/McGraw-Hill.
Cita Chicago (17th ed.)[Unknown]. [Book Title Inferred from ISBN 0-02-827879-8]. Glencoe/McGraw-Hill, 1997.
Cita MLA (9th ed.)[Unknown]. [Book Title Inferred from ISBN 0-02-827879-8]. Glencoe/McGraw-Hill, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.