Verstraelen, E. (1983). An elementary analysis of Magindanao.
Cita Chicago (17th ed.)Verstraelen, Eugene. An Elementary Analysis of Magindanao. 1983.
Cita MLA (9th ed.)Verstraelen, Eugene. An Elementary Analysis of Magindanao. 1983.
Atenció: Aquestes cites poden no estar 100% correctes.