APA (7e ed.) Bronvermelding
STEINHAUSEN, H., & METZKE, C. FREQUENCY AND CORRELATES OF SUBSTANCE USE AMONG PREADOLESCENTS AND ADOLESCENTS IN A SWISS EPIDEMIOLOGICAL STUDY.
Chicago (17e ed.) Bronvermelding
STEINHAUSEN, H.C, en C.W METZKE. FREQUENCY AND CORRELATES OF SUBSTANCE USE AMONG PREADOLESCENTS AND ADOLESCENTS IN A SWISS EPIDEMIOLOGICAL STUDY.
MLA (9e ed.) Bronvermelding
STEINHAUSEN, H.C, en C.W METZKE. FREQUENCY AND CORRELATES OF SUBSTANCE USE AMONG PREADOLESCENTS AND ADOLESCENTS IN A SWISS EPIDEMIOLOGICAL STUDY.
Let op: Deze citaties zijn niet altijd 100% accuraat.