Heisman, D. (2002). A parent's guide to chess. Russell Enterprises.
Cita Chicago Style (17a ed.)Heisman, Dan. A Parent's Guide to Chess. Milford, CT: Russell Enterprises, 2002.
Cita MLA (8a ed.)Heisman, Dan. A Parent's Guide to Chess. Russell Enterprises, 2002.
Precaución: Estas citas no son 100% exactas.