Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.
Chicago Style (17th ed.) CitationOral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.
MLA引文Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.
警告:這些引文格式不一定是100%准確.