APA
Engel R., . (2011). Introduction To Organic Laboratory Techniqes: A Small Scale Approach 3Ed (Pb 2014). : Cengage Learning Exclusive (Cbs).
Chicago
Engel R.G, . 2011. Introduction To Organic Laboratory Techniqes: A Small Scale Approach 3Ed (Pb 2014). : Cengage Learning Exclusive (Cbs).
Harvard
Engel R., . (2011). Introduction To Organic Laboratory Techniqes: A Small Scale Approach 3Ed (Pb 2014). : Cengage Learning Exclusive (Cbs).
MLA
Engel R.G, . Introduction To Organic Laboratory Techniqes: A Small Scale Approach 3Ed (Pb 2014). : Cengage Learning Exclusive (Cbs). 2011.