Gaya APA

Lefebvre, S, &, S, D. (2018). Gregory Baum: Pioneer of ecumenism and dialogue (1923-2017) . : .

Gaya MLA

Lefebvre, Solange, &, Seijak,, David. "Gregory Baum: Pioneer of ecumenism and dialogue (1923-2017) ". : , 2018. Majalah.