Παραπομπή σε μορφή APA (7η εκδ.)

Umar H. Y., Giroh D. Y., Agbonkpolor N. B., Mesike C. S., & Kamla<U+0096>Raj Enterprises. An overview of world natural rubber production and consumption , an implication for economic empowerment and poverty alleviation in Nigeria.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Umar H. Y., Giroh D. Y., Agbonkpolor N. B., Mesike C. S., και Kamla<U+0096>Raj Enterprises. An Overview of World Natural Rubber Production and Consumption , an Implication for Economic Empowerment and Poverty Alleviation in Nigeria.

Παραπομπή σε μορφή MLA (9th εκδ.)

Umar H. Y., et al. An Overview of World Natural Rubber Production and Consumption , an Implication for Economic Empowerment and Poverty Alleviation in Nigeria.