APA(7版)引用形式

Villanueva, A. L. (1992). A sun in the clouds and other essays. New Day Publishers.

Chicagoスタイル(17版)引用形式

Villanueva, Alejo L. A Sun in the Clouds and Other Essays. Quezon City: New Day Publishers, 1992.

MLA(9版)引用形式

Villanueva, Alejo L. A Sun in the Clouds and Other Essays. New Day Publishers, 1992.

警告: この引用は必ずしも正確ではありません.