GRAY JOHN. (2003). MEN ARE FROM MARS,WOMEN ARE FROM VENUS. HARPER COLLINS PUBLISHERS.
Lua i Stíl Chicago (17ú heag.)GRAY JOHN. MEN ARE FROM MARS,WOMEN ARE FROM VENUS. NEW DELHI: HARPER COLLINS PUBLISHERS, 2003.
Lua MLA (9ú heag.)GRAY JOHN. MEN ARE FROM MARS,WOMEN ARE FROM VENUS. HARPER COLLINS PUBLISHERS, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.