FAO. (1990). FAO animal production and health series; 1990; N30: Animal health yearbook: 1990. Rome: FAO.
Chicago Stili AlıntıFAO. FAO Animal Production and Health Series; 1990; N30: Animal Health Yearbook: 1990. Rome: FAO, 1990.
MLA AlıntıFAO. FAO Animal Production and Health Series; 1990; N30: Animal Health Yearbook: 1990. Rome: FAO, 1990.
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