Cita APA (7th ed.)
Johnson, T. E. (2002). Export/import procedures and documentation (4th ed.). AMACOM.
Cita Chicago (17th ed.)
Johnson, Thomas E. Export/import Procedures and Documentation. 4th ed. New York: AMACOM, 2002.
Cita MLA (9th ed.)
Johnson, Thomas E. Export/import Procedures and Documentation. 4th ed. AMACOM, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.