Gaya APA

America, D, O, S, U, S, O. (2018). Enhancing Group Facilitation Skills: Trainer Manual (Cet. 1). Sri Lanka: The Colombo Plan Drug Advisory Programme.

Gaya MLA

America, Department, Of, State, United, States, Of. "Enhancing Group Facilitation Skills: Trainer Manual". Cet. 1 Sri Lanka: The Colombo Plan Drug Advisory Programme, 2018. Text.