- & KNAPP, B. [. (1981). Practical foundations of physical geograpgy. George Allaen and Unwin.
Chicagoスタイル(17版)引用形式- , Brian [Ed.] KNAPP. Practical Foundations of Physical Geograpgy. London: George Allaen and Unwin, 1981.
MLA(9版)引用形式- , Brian [Ed.] KNAPP. Practical Foundations of Physical Geograpgy. George Allaen and Unwin, 1981.
警告: この引用は必ずしも正確ではありません.