APA (7th ed.) Zitazioa
BUCHAN, B., & ET AL. (2003). CANNABIS USE: CONSISTENCY AND VALIDITY OF SELF-REPORT, ON-SITE URINE TESTING AND LABORATORY TESTING.
Chicago Style (17th ed.) Zitazioa
BUCHAN, B.J, eta ET AL. CANNABIS USE: CONSISTENCY AND VALIDITY OF SELF-REPORT, ON-SITE URINE TESTING AND LABORATORY TESTING. 2003.
MLA (9th ed.) Zitazioa
BUCHAN, B.J, eta ET AL. CANNABIS USE: CONSISTENCY AND VALIDITY OF SELF-REPORT, ON-SITE URINE TESTING AND LABORATORY TESTING. 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.