Fletcher, W. C. (1971). The Russian Orthodox Church underground, 1917 - 1970. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Fletcher, William Catherwood. The Russian Orthodox Church Underground, 1917 - 1970. London New York: Oxford University Press, 1971.
Citatione MLA (8a ed.)Fletcher, William Catherwood. The Russian Orthodox Church Underground, 1917 - 1970. Oxford University Press, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.