Παραπομπή σε μορφή APA (7η εκδ.)

Kpikpi, W. M., & Olatunji, O. A. (2014). A Study on the Wood Anatomy of some Nigerian Trees with Potential for Pulp and Paper Production. Obafemi Awolowo University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kpikpi, Walter Mawuli, και O. A. Olatunji. A Study on the Wood Anatomy of Some Nigerian Trees with Potential for Pulp and Paper Production. Obafemi Awolowo University, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kpikpi, Walter Mawuli, και O. A. Olatunji. A Study on the Wood Anatomy of Some Nigerian Trees with Potential for Pulp and Paper Production. Obafemi Awolowo University, 2014.