Cita APA

MORRIS,RICHARD B & IRWIN,GRAHAM W. (1967). HARPER ENCYCLOPEDIA OF THE MODERN WORLD. HARPER & ROW.

Chicago Edition Citation

MORRIS,RICHARD B & IRWIN,GRAHAM W. HARPER ENCYCLOPEDIA OF THE MODERN WORLD. NEWYORK: HARPER & ROW, 1967.

Cita MLA

MORRIS,RICHARD B & IRWIN,GRAHAM W. HARPER ENCYCLOPEDIA OF THE MODERN WORLD. HARPER & ROW, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.