Willgoose, C. E. (1979). Environmental health commitment for survival. W B Saunders.
シカゴスタイル引用形Willgoose, Carl E. Environmental Health Commitment for Survival. Philadelphia: W B Saunders, 1979.
MLA引用形式Willgoose, Carl E. Environmental Health Commitment for Survival. W B Saunders, 1979.
警告: この引用は必ずしも正確ではありません.