Cita APA

Macbeth, G. M., & McPhee, C. P. (1986). An economic evaluation of breeding systems with selection and crossing of large white and landrace pigs in a closed herd. Inglaterra: Elsevier.

Citación estilo Chicago

Macbeth, G. M., and C. P. McPhee. An Economic Evaluation of Breeding Systems With Selection and Crossing of Large White and Landrace Pigs in a Closed Herd. Inglaterra: Elsevier, 1986.

Cita MLA

Macbeth, G. M., and C. P. McPhee. An Economic Evaluation of Breeding Systems With Selection and Crossing of Large White and Landrace Pigs in a Closed Herd. Inglaterra: Elsevier, 1986.