Gaya APA

B., H, J. (2001). Stress and smoking among students: A feasibility study on stress and smoking habits among undergraduate students at Warwick University. . Warwick: Warwick University of Warwick.

Gaya MLA

B., Hari, Juliawan,. "Stress and smoking among students: A feasibility study on stress and smoking habits among undergraduate students at Warwick University. ". Warwick: Warwick University of Warwick, 2001. Buku.