Cita APA (7th ed.)
Burk, J. E., & Warda, M. (2003). How to start a business in Maryland, Virginia or the District of Columbia. Sphinx Pub..
Cita Chicago (17th ed.)
Burk, James E., i Mark Warda. How to Start a Business in Maryland, Virginia or the District of Columbia. Naperville, Ill.: Sphinx Pub., 2003.
Cita MLA (9th ed.)
Burk, James E., i Mark Warda. How to Start a Business in Maryland, Virginia or the District of Columbia. Sphinx Pub., 2003.
Atenció: Aquestes cites poden no estar 100% correctes.