Hernández, F., Argüello, A. P., Rivera, P., & Jiménez, E. (1993). Balantídium coli (Vestibuliferida: Balantidiidae): The persistence of an old problem. Universidad de Costa Rica.
Chicago Style CitationHernández, Francisco, Ana Patricia Argüello, Patricia Rivera, and Ernesto Jiménez. Balantídium Coli (Vestibuliferida: Balantidiidae): The Persistence of an Old Problem. Universidad de Costa Rica, 1993.
MLA CitationHernández, Francisco, Ana Patricia Argüello, Patricia Rivera, and Ernesto Jiménez. Balantídium Coli (Vestibuliferida: Balantidiidae): The Persistence of an Old Problem. Universidad de Costa Rica, 1993.
Warning: These citations may not always be 100% accurate.