De Guzman, M. R. (1989). Manual on heat detection, artificial insemination and pregnancy diagnosis for water buffalo. Food and Fertilizer Technology Center for the Asian and Pascific Region.
Cita Chicago (17th ed.)De Guzman, M. R. Manual on Heat Detection, Artificial Insemination and Pregnancy Diagnosis for Water Buffalo. Taipei: Food and Fertilizer Technology Center for the Asian and Pascific Region, 1989.
Cita MLA (9th ed.)De Guzman, M. R. Manual on Heat Detection, Artificial Insemination and Pregnancy Diagnosis for Water Buffalo. Food and Fertilizer Technology Center for the Asian and Pascific Region, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.