Valls y Taberner, F. (1990). An introductory history of discovery and exploration. University of Málaga.
Chicagoスタイル(17版)引用形式Valls y Taberner, Fernando. An Introductory History of Discovery and Exploration. Zaragoza: University of Málaga, 1990.
MLA(9版)引用形式Valls y Taberner, Fernando. An Introductory History of Discovery and Exploration. University of Málaga, 1990.
警告: この引用は必ずしも正確ではありません.