Cita APA

Vargas Barrantes, É., & Araya Alpízar, C. (2012). Influence of socio-demographic conditions in attitudes and behaviour in sexuality that express the youth of ninth year from a public school in the Canton Central Alajuela, Costa Rica.

Citación estilo Chicago

Vargas Barrantes, Élida, y Carlomagno Araya Alpízar. Influence of Socio-demographic Conditions in Attitudes and Behaviour in Sexuality That Express the Youth of Ninth Year From a Public School in the Canton Central Alajuela, Costa Rica. 2012.

Cita MLA

Vargas Barrantes, Élida, y Carlomagno Araya Alpízar. Influence of Socio-demographic Conditions in Attitudes and Behaviour in Sexuality That Express the Youth of Ninth Year From a Public School in the Canton Central Alajuela, Costa Rica. 2012.