APA (7e ed.) Bronvermelding
Covell, R. (1978). Pioneer of progress in China. Christian University Press.
Chicago (17e ed.) Bronvermelding
Covell, Ralph. Pioneer of Progress in China. Washington, DC: Christian University Press, 1978.
MLA (9e ed.) Bronvermelding
Covell, Ralph. Pioneer of Progress in China. Christian University Press, 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.