APA
Hafen B. Q., Peterson B., . (19780000). Medicines and drugs: problems and risks, use and abuse. Philadelphia, us: Lea y Febiger.
Chicago
Hafen Brent Q, Peterson Brenda, . 19780000. Medicines and drugs: problems and risks, use and abuse. Philadelphia, us: Lea y Febiger.
Harvard
Hafen B. Q., Peterson B., . (19780000). Medicines and drugs: problems and risks, use and abuse. Philadelphia, us: Lea y Febiger.
MLA
Hafen Brent Q, Peterson Brenda, . Medicines and drugs: problems and risks, use and abuse. Philadelphia, us: Lea y Febiger. 19780000.