APA-viite (7. p.)
ebrary, Inc, Bako, S. P., & Olwari, F. (2011). Promoting non-animal protein sources in sub-Saharan Africa: An interdisciplinary study. Lang.
Chicago-viite (17. p.)
ebrary, Inc, Sunday Paul Bako, ja Frank Olwari. Promoting Non-animal Protein Sources in Sub-Saharan Africa: An Interdisciplinary Study. Frankfurt am Main: Lang, 2011.
MLA-viite (9. p.)
ebrary, Inc, et al. Promoting Non-animal Protein Sources in Sub-Saharan Africa: An Interdisciplinary Study. Lang, 2011.
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