Marais, G. (1966). Butter and margarine: A comparative study of supply and demand in the Republic of South Africa. J.L. van Schaik.
Citace podle Chicago (17th ed.)Marais, Georg. Butter and Margarine: A Comparative Study of Supply and Demand in the Republic of South Africa. Pretoria: J.L. van Schaik, 1966.
Citace podle MLA (8th ed.)Marais, Georg. Butter and Margarine: A Comparative Study of Supply and Demand in the Republic of South Africa. J.L. van Schaik, 1966.
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