Johnson, R. E. (1980). Under tutors and governors. Accelerated Christian Education.
Citazione stile Chigago Style (17a edizione)Johnson, Ronald E. Under Tutors and Governors. USA: Accelerated Christian Education, 1980.
Citatione MLA (9a ed.)Johnson, Ronald E. Under Tutors and Governors. Accelerated Christian Education, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.