(1968). Problems in African history. Prentice-Hall.
Chicagoスタイル(17版)引用形式Problems in African History. Englewood Cliffs: Prentice-Hall, 1968.
MLA(9版)引用形式Problems in African History. Prentice-Hall, 1968.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式