Παραπομπή σε μορφή APA (7η εκδ.)

(1998). Youth sexuality 1998: Repeat survey of 14-17-year-olds and their parents on behalf of ths Federal Centre for Health Education : results of the current representative survey. Federal Centre for Health Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Youth Sexuality 1998: Repeat Survey of 14-17-year-olds and Their Parents on Behalf of Ths Federal Centre for Health Education : Results of the Current Representative Survey. Cologne: Federal Centre for Health Education, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Youth Sexuality 1998: Repeat Survey of 14-17-year-olds and Their Parents on Behalf of Ths Federal Centre for Health Education : Results of the Current Representative Survey. Federal Centre for Health Education, 1998.