Landis, P. H. (1948). Population problems: A cultural interpretation. American Book Company.
Chicagoスタイル(17版)引用形式Landis, Paul Henry. Population Problems: A Cultural Interpretation. New York: American Book Company, 1948.
MLA(9版)引用形式Landis, Paul Henry. Population Problems: A Cultural Interpretation. American Book Company, 1948.
警告: この引用は必ずしも正確ではありません.