APA citiranje
VAN ETTEN, M., & ET AL. (1998). INITIAL OPPORTUNITY TO USE MARIJUANA AND THE TRANSITION TO FIRST USE: UNITED STATES, 1979-1994.
Chicago Style (17th ed.) Citation
VAN ETTEN, M.L, and ET AL. INITIAL OPPORTUNITY TO USE MARIJUANA AND THE TRANSITION TO FIRST USE: UNITED STATES, 1979-1994. 1998.
MLA citiranje
VAN ETTEN, M.L, and ET AL. INITIAL OPPORTUNITY TO USE MARIJUANA AND THE TRANSITION TO FIRST USE: UNITED STATES, 1979-1994. 1998.
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