Hardisty, G., & Hardisty, M. (1977). Honest questions--honest answers to enrich your marriage. Harvest House.
Citazione stile Chigago Style (17a edizione)Hardisty, George, e Margaret Hardisty. Honest Questions--honest Answers to Enrich Your Marriage. Irvine, Calif: Harvest House, 1977.
Citatione MLA (9a ed.)Hardisty, George, e Margaret Hardisty. Honest Questions--honest Answers to Enrich Your Marriage. Harvest House, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.