Cita APA (7a ed.)
Maduakor, H., Lal, R., & Opara-Nadi, O. (1984). Effects of methods of seedbed preparation and mulching on the growth and yield of white yam (dioscorea rotundata) on an ultisol in south-east Nigeria.
Cita Chicago Style (17a ed.)
Maduakor, H.O, R. Lal, y O.A Opara-Nadi. Effects of Methods of Seedbed Preparation and Mulching on the Growth and Yield of White Yam (dioscorea Rotundata) on an Ultisol in South-east Nigeria. 1984.
Cita MLA (9a ed.)
Maduakor, H.O, et al. Effects of Methods of Seedbed Preparation and Mulching on the Growth and Yield of White Yam (dioscorea Rotundata) on an Ultisol in South-east Nigeria. 1984.
Precaución: Estas citas no son 100% exactas.