J M Vincent. (1970). A manual for the practical study of the root-nodule bacteria. Oxford: Blackwell scienctific Publication.
Chicago Style aipamenaJ M Vincent. A Manual for the Practical Study of the Root-nodule Bacteria. Oxford: Blackwell scienctific Publication, 1970.
MLA aipamenaJ M Vincent. A Manual for the Practical Study of the Root-nodule Bacteria. Oxford: Blackwell scienctific Publication, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.