Lianko, A. A. (2001). Introduction to earth science. Katha Pub.
Chicagoスタイル(17版)引用形式Lianko, Aurora Alarcon. Introduction to Earth Science. Quezon City: Katha Pub, 2001.
MLA(9版)引用形式Lianko, Aurora Alarcon. Introduction to Earth Science. Katha Pub, 2001.
警告: この引用は必ずしも正確ではありません.