APA (7 वां संस्करण) प्रशस्ति पत्र

Isichei, A. O. (2014). Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Isichei, Augustine O. Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site. 2014.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Isichei, Augustine O. Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site. 2014.

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