Gaya APA
Dizon, D, S., Krychman, M, L. (2011).
Questions & Answers About Human Papilloma Virus (HPV) .
Boston:
jones and bartlett publishers.
Gaya MLA
Dizon, Don, S.., Krychman, Michael, L..
"Questions & Answers About Human Papilloma Virus (HPV)".
Boston:
jones and bartlett publishers,
2011.
Text.