Rogge, J. R., & Foreword by prothero Mansell. (1985). Too many too long : Sudan's twenty-year: Refugee dilemma. Rowman and Allanheld.
Cita Chicago (17th ed.)Rogge, John R., i Foreword by prothero Mansell. Too Many Too Long : Sudan's Twenty-year: Refugee Dilemma. Totowa, NJ: Rowman and Allanheld, 1985.
Cita MLA (9th ed.)Rogge, John R., i Foreword by prothero Mansell. Too Many Too Long : Sudan's Twenty-year: Refugee Dilemma. Rowman and Allanheld, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.