Cita APA (7a ed.)
Willén, A. (2011). Methane production from dairy cows.
Cita Chicago Style (17a ed.)
Willén, Agnes. Methane Production from Dairy Cows. 2011.
Cita MLA (9a ed.)
Willén, Agnes. Methane Production from Dairy Cows. 2011.
Precaución: Estas citas no son 100% exactas.