Gambril, D. L. (1969). Swimming. Goodyear Pub.
Cita Chicago Style (17a ed.)Gambril, Donald L. Swimming. Pacific Palisades, Calif: Goodyear Pub, 1969.
Cita MLA (9a ed.)Gambril, Donald L. Swimming. Goodyear Pub, 1969.
Precaución: Estas citas no son 100% exactas.