Gaya APA

Lubis,Sofian, . (2012). Educational institutions social responsibility: transformation of educational philanthropy movement in improving social welfare (Vol. 2, No. 1, Tahun). : .

Gaya MLA

Lubis,Sofian, . "Educational institutions social responsibility: transformation of educational philanthropy movement in improving social welfare". Vol. 2, No. 1, Tahun : , 2012. Text.