APA aipamena

Sparks, S., & Morales Ortega, J. (2015). Effects of a new tobacco law on the knowledge, attitudes, and habits of smokers in San José and Jacó, Costa Rica.

Chicago Style aipamena

Sparks, Sarah, y José Morales Ortega. Effects of a New Tobacco Law On the Knowledge, Attitudes, and Habits of Smokers in San José and Jacó, Costa Rica. 2015.

MLA aipamena

Sparks, Sarah, y José Morales Ortega. Effects of a New Tobacco Law On the Knowledge, Attitudes, and Habits of Smokers in San José and Jacó, Costa Rica. 2015.