Time-Life Books. (1987). Getting firm: Shaping and toning. Time-Life Books.
Style de citation Chicago (17e éd.)Time-Life Books. Getting Firm: Shaping and Toning. Alexandria, Virginia: Time-Life Books, 1987.
Style de citation MLA (9e éd.)Time-Life Books. Getting Firm: Shaping and Toning. Time-Life Books, 1987.
Attention : ces citations peuvent ne pas être correctes à 100%.