ebrary, Inc, Bako, S. P., & Olwari, F. (2011). Promoting non-animal protein sources in sub-Saharan Africa: An interdisciplinary study. Lang.
芝加哥风格引文ebrary, Inc, Sunday Paul Bako, 与 Frank Olwari. Promoting Non-animal Protein Sources in Sub-Saharan Africa: An Interdisciplinary Study. Frankfurt am Main: Lang, 2011.
MLA引文ebrary, Inc, et al. Promoting Non-animal Protein Sources in Sub-Saharan Africa: An Interdisciplinary Study. Lang, 2011.
警告：这些引文格式不一定是100％准确.