Παραπομπή σε μορφή APA (7η εκδ.)

Akobundu, I. O. [. a. (2014). An Analysis of Vegetation as a Resource in South-Eastern Nigeria.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Akobundu, I. O. [et al.]. An Analysis of Vegetation as a Resource in South-Eastern Nigeria. 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Akobundu, I. O. [et al.]. An Analysis of Vegetation as a Resource in South-Eastern Nigeria. 2014.