DUA, S. (2004). LUMINOUS LIFE OF KARL MARX. PRINTLINE BOOKS.
Cita Chicago (17th ed.)DUA, SHYAM. LUMINOUS LIFE OF KARL MARX. DELHI: PRINTLINE BOOKS, 2004.
Cita MLA (9th ed.)DUA, SHYAM. LUMINOUS LIFE OF KARL MARX. PRINTLINE BOOKS, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.