Commission of the European Communities, Mason, I. L., Schmidt, J., & Hoffmann, B. (1979). Calving problems and early viability of the calf: A seminar in the EEC programme of coordination of research on beef production held at Freising, Federal Republic of Germany, May 4-6, 1977. M. Nijhoff for the Commission of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Commission of the European Communities, I. L. Mason, J. Schmidt, και Bernd Hoffmann. Calving Problems and Early Viability of the Calf: A Seminar in the EEC Programme of Coordination of Research on Beef Production Held at Freising, Federal Republic of Germany, May 4-6, 1977. The Hague: M. Nijhoff for the Commission of the European Communities, 1979.
Παραπομπή σε μορφή MLA (8th εκδ.)Commission of the European Communities, et al. Calving Problems and Early Viability of the Calf: A Seminar in the EEC Programme of Coordination of Research on Beef Production Held at Freising, Federal Republic of Germany, May 4-6, 1977. M. Nijhoff for the Commission of the European Communities, 1979.