APA引文

Preinfalk-Fernández, M. L. (2015). Sexual Education of Young University Students: Some Key Factors and Challenges.

Citación estilo Chicago

Preinfalk-Fernández, María Luisa. Sexual Education of Young University Students: Some Key Factors and Challenges. 2015.

MLA引文

Preinfalk-Fernández, María Luisa. Sexual Education of Young University Students: Some Key Factors and Challenges. 2015.

警告：这些引文格式不一定是100％准确.