APA

Harrison's 14, . (1999). Harrison's 14 [Documento electrónico]. [s.l.]: McGraw-Hill.

Chicago

Harrison's 14, . 1999. Harrison's 14 [Documento electrónico]. [s.l.]: McGraw-Hill.

Harvard

Harrison's 14, . (1999). Harrison's 14 [Documento electrónico]. [s.l.]: McGraw-Hill.

MLA

Harrison's 14, . Harrison's 14 [Documento electrónico]. [s.l.]: McGraw-Hill. 1999.