APA
(2004). Food Preservation. Ibadan: The Post Graduate School, University of Ibadan.
Chicago
2004. Food Preservation. Ibadan: The Post Graduate School, University of Ibadan.
Harvard
(2004). Food Preservation. Ibadan: The Post Graduate School, University of Ibadan.
MLA
Food Preservation. Ibadan: The Post Graduate School, University of Ibadan. 2004.