Thatcher, F. (1980). Long term marriage: A search for the ingredients of a lifetime partnership. Word.
Lua i Stíl Chicago (17ú heag.)Thatcher, Floyd. Long Term Marriage: A Search for the Ingredients of a Lifetime Partnership. Waco: Word, 1980.
Lua MLA (9ú heag.)Thatcher, Floyd. Long Term Marriage: A Search for the Ingredients of a Lifetime Partnership. Word, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.