APA
Rapaka R. S., Makriyannis A. & Kulhar M. J. (1991). Emerging technologies and new directions in drug abuse research [PDF]. Rockville: NIDA.
Chicago
Rapaka Rao S, Makriyannis Alexandros and Kulhar Michael J. 1991. Emerging technologies and new directions in drug abuse research [PDF]. Rockville: NIDA.
Harvard
Rapaka R. S., Makriyannis A. and Kulhar M. J. (1991). Emerging technologies and new directions in drug abuse research [PDF]. Rockville: NIDA.
MLA
Rapaka Rao S, Makriyannis Alexandros and Kulhar Michael J. Emerging technologies and new directions in drug abuse research [PDF]. Rockville: NIDA. 1991.
E-bron