Austin Farley, C., Fayer, R., Graczyk, T. K., Lal, A. A., Lewis, E. J., Sulaiman, I., & Trout, J. M. Giardia sp. cysts and infectious cryptosporidium parvum oocysts in the feces of migratory Canada geese (Branta canadensis).

Austin Farley, C., Ronald Fayer, Thaddeus K. Graczyk, Altaf A. Lal, Earl J. Lewis, Irshad Sulaiman, và James M. Trout. Giardia Sp. Cysts and Infectious Cryptosporidium Parvum Oocysts in the Feces of Migratory Canada Geese (Branta Canadensis).

Austin Farley, C., et al. Giardia Sp. Cysts and Infectious Cryptosporidium Parvum Oocysts in the Feces of Migratory Canada Geese (Branta Canadensis).