Παραπομπή APA

Lena, H., & Charlotte, S. (2003). Evaluation of the Economic Return of Preventive Health Care (FRISKKO) at Herd Level in Dairy Herds in Sweden. BMC.

Παραπομπή Chicago Style

Lena, Hult, και Sandgren Charlotte. Evaluation of the Economic Return of Preventive Health Care (FRISKKO) At Herd Level in Dairy Herds in Sweden. BMC, 2003.

Παραπομπή MLA

Lena, Hult, και Sandgren Charlotte. Evaluation of the Economic Return of Preventive Health Care (FRISKKO) At Herd Level in Dairy Herds in Sweden. BMC, 2003.

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