APA-viite

Chacón-Serrano, W. (2015). TREATMENT SERVICES FOR DRUG PROBLEMS. CHARACTERISTICS OF SUPPLY AND TERRITORIAL ACCESSIBILITY IN COSTA RICA.

Chicago-tyylinen lähdeviittaus

Chacón-Serrano, William. TREATMENT SERVICES FOR DRUG PROBLEMS. CHARACTERISTICS OF SUPPLY AND TERRITORIAL ACCESSIBILITY IN COSTA RICA. 2015.

MLA-viite

Chacón-Serrano, William. TREATMENT SERVICES FOR DRUG PROBLEMS. CHARACTERISTICS OF SUPPLY AND TERRITORIAL ACCESSIBILITY IN COSTA RICA. 2015.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.