Style de citation APA (7e éd.)
Westphal, A. Research on the effect of different P-fertilizer forms in India within the past 20 years.
Style de citation Chicago (17e éd.)
Westphal, Albert. Research on the Effect of Different P-fertilizer Forms in India Within the Past 20 Years.
Style de citation MLA (9e éd.)
Westphal, Albert. Research on the Effect of Different P-fertilizer Forms in India Within the Past 20 Years.
Attention : ces citations peuvent ne pas être correctes à 100%.