APA-ийн эшлэл(7 дахь хэвлэлт)

Adekoya, O. A., & Biodun, J. (2014). Nature in Soyinka's Poetry: The Primary of Essence. Obafemi Awolowo University.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Adekoya, Olusegun Adesina, ба Jeyifo Biodun. Nature in Soyinka's Poetry: The Primary of Essence. Obafemi Awolowo University, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Adekoya, Olusegun Adesina, ба Jeyifo Biodun. Nature in Soyinka's Poetry: The Primary of Essence. Obafemi Awolowo University, 2014.