Karger S., International Association of Biological Standardization, & Hennessen, W. (1981). Developments in biological standardization: Proceedings of the International Symposium, held at the National Fish Health Research Laboratory Leetown, W. Va., U.S.A, April 26-30, 1981: serodiagnostics and vaccines. Karger S..
Παραπομπή σε μορφή Chicago (17η εκδ.)Karger S., International Association of Biological Standardization, και W. Hennessen. Developments in Biological Standardization: Proceedings of the International Symposium, Held at the National Fish Health Research Laboratory Leetown, W. Va., U.S.A, April 26-30, 1981: Serodiagnostics and Vaccines. Munchen: Karger S., 1981.
Παραπομπή σε μορφή MLA (8th εκδ.)Karger S., et al. Developments in Biological Standardization: Proceedings of the International Symposium, Held at the National Fish Health Research Laboratory Leetown, W. Va., U.S.A, April 26-30, 1981: Serodiagnostics and Vaccines. Karger S., 1981.