FERGUSON , H. (1989). TOMORROW'S GLOBAL EXE. UNIVERSAL BOOK STALL.
Cita Chicago (17th ed.)FERGUSON , HERRY. TOMORROW'S GLOBAL EXE. UNIVERSAL BOOK STALL, 1989.
Cita MLA (9th ed.)FERGUSON , HERRY. TOMORROW'S GLOBAL EXE. UNIVERSAL BOOK STALL, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.