APA (7e ed.) Bronvermelding
Willis, H. (1963). Through encouragement of the Scriptures: Recollections of ten years in Communist Shanghai. Christian Book Room.
Chicago (17e ed.) Bronvermelding
Willis, Helen. Through Encouragement of the Scriptures: Recollections of Ten Years in Communist Shanghai. Hong Kong: Christian Book Room, 1963.
MLA (9e ed.) Bronvermelding
Willis, Helen. Through Encouragement of the Scriptures: Recollections of Ten Years in Communist Shanghai. Christian Book Room, 1963.
Let op: Deze citaties zijn niet altijd 100% accuraat.