Bettencourt, E., & Konopka, J. (1990). Cereals: Avena, Hordeum, Millets, Oryza, Secale, Sorghum, Triticum, Zea and pseudocereals (2nd ed.). IBPGR.
芝加哥风格引文Bettencourt, E., 与 J. Konopka. Cereals: Avena, Hordeum, Millets, Oryza, Secale, Sorghum, Triticum, Zea and Pseudocereals. 2nd ed. Rome: IBPGR, 1990.
MLA引文Bettencourt, E., 与 J. Konopka. Cereals: Avena, Hordeum, Millets, Oryza, Secale, Sorghum, Triticum, Zea and Pseudocereals. 2nd ed. IBPGR, 1990.
警告：这些引文格式不一定是100％准确.