(2011). Bulletin of University of agricultural sciences and veterinary medicine Cluj-Napoca: Vol. 68 (2).
Tohutoru Kātū Chicago (17th ed.)Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Vol. 68 (2). 2011.
Tohutoro MLA (9th ed.)Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Vol. 68 (2). 2011.
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