De Souza, ., & Foust, B. (1979). World space economy. Charles E. Merrill.
Chicagoスタイル(17版)引用形式De Souza, , , Brady Foust. World Space Economy. Columbus, Ohio: Charles E. Merrill, 1979.
MLA(9版)引用形式De Souza, , , Brady Foust. World Space Economy. Charles E. Merrill, 1979.
警告: この引用は必ずしも正確ではありません.