Ducas, A., & Sutherland, L. (1992). Escalating costs of scientific journals.
シカゴスタイル引用形Ducas, A., , L. Sutherland. Escalating Costs of Scientific Journals. 1992.
MLA引用形式Ducas, A., , L. Sutherland. Escalating Costs of Scientific Journals. 1992.
警告: この引用は必ずしも正確ではありません.