APA-čujuhus (7. p.)

Obioh, G. I. B., & Isichei, A. O. (2014). Specprof: A Tool for Biological Indexing. Nigerian Conservation Foundation (NCF).

Chicago-čujuhus (17. p.)

Obioh, Gloria I. B., juo Augustine O. Isichei. Specprof: A Tool for Biological Indexing. Nigerian Conservation Foundation (NCF), 2014.

MLA-čujuhus (9. p.)

Obioh, Gloria I. B., juo Augustine O. Isichei. Specprof: A Tool for Biological Indexing. Nigerian Conservation Foundation (NCF), 2014.

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