APA引文

Garcia, M. L. R. (1999). Natural family planning method. Kabayan.

芝加哥风格引文

Garcia, Ma. Leonila R. "Natural Family Planning Method." Kabayan 1999.

MLA引文

Garcia, Ma. Leonila R. "Natural Family Planning Method." Kabayan, 1999.

警告：这些引文格式不一定是100％准确.