APA aipamena

Collings, G. H. (1955). Commercial fetilizers their sources and use (Ed.5.).

Chicago Style aipamena

Collings, Gilbert H. Commercial Fetilizers Their Sources and Use. Ed.5. 1955.

MLA aipamena

Collings, Gilbert H. Commercial Fetilizers Their Sources and Use. Ed.5. 1955.

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