Penafiel, S. R. (1978). Pasture production in a pinus-grass community.
Cita Chicago Style (17a ed.)Penafiel, Samuel R. Pasture Production in a Pinus-grass Community. 1978.
Cita MLA (9a ed.)Penafiel, Samuel R. Pasture Production in a Pinus-grass Community. 1978.
Precaución: Estas citas no son 100% exactas.