APA-viite (7. p.)
Obionu, C. (2018). Guide to tropical public health and community medicine (First edition.). Ezu Books Limited.
Chicago-viite (17. p.)
Obionu, Christopher. Guide to Tropical Public Health and Community Medicine. First edition. [Place of publication not identified]: Ezu Books Limited, 2018.
MLA-viite (9. p.)
Obionu, Christopher. Guide to Tropical Public Health and Community Medicine. First edition. Ezu Books Limited, 2018.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.