Ritson, C. (1977). Agricultural economics: Principles and Policy. Cros by Lockwood staples.
シカゴスタイル引用形Ritson, Christopher. Agricultural Economics: Principles and Policy. London: Cros by Lockwood staples, 1977.
MLA引用形式Ritson, Christopher. Agricultural Economics: Principles and Policy. Cros by Lockwood staples, 1977.
警告: この引用は必ずしも正確ではありません.