Eyo Ekpo, Bakker Dirk Photographer, Binns, B., Krichbaum Rollyn O., & Willett Frank. (1980). Treasures of ancient nigeria (First edition.). Alfred A. Knopf.
Chicagoスタイル(17版)引用形式Eyo Ekpo, Bakker Dirk Photographer, Betty Binns, Krichbaum Rollyn O., , Willett Frank. Treasures of Ancient Nigeria. First edition. New York: Alfred A. Knopf, 1980.
MLA(9版)引用形式Eyo Ekpo, et al. Treasures of Ancient Nigeria. First edition. Alfred A. Knopf, 1980.
警告: この引用は必ずしも正確ではありません.