Palad, O. A. (1977). A comparative evaluation of some pregnancy tests in cattle. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Palad, Orlando Adia. A Comparative Evaluation of Some Pregnancy Tests in Cattle. Quezon City: University of the Philippines Library, 1977.
Citatione MLA (9a ed.)Palad, Orlando Adia. A Comparative Evaluation of Some Pregnancy Tests in Cattle. University of the Philippines Library, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.