APA-referens (7:e uppl.)

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.

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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

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