GRAY JOHN. (2003). MEN ARE FROM MARS,WOMEN ARE FROM VENUS. HARPER COLLINS PUBLISHERS.
Citace podle Chicago (17th ed.)GRAY JOHN. MEN ARE FROM MARS,WOMEN ARE FROM VENUS. NEW DELHI: HARPER COLLINS PUBLISHERS, 2003.
Citace podle MLA (9th ed.)GRAY JOHN. MEN ARE FROM MARS,WOMEN ARE FROM VENUS. HARPER COLLINS PUBLISHERS, 2003.
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