Firth, R. E. (1973). Guidelines for commitee and board menbers. Review and Herald.
Citazione stile Chigago Style (17a edizione)Firth, Robert E. Guidelines for Commitee and Board Menbers. Review and Herald, 1973.
Citatione MLA (9a ed.)Firth, Robert E. Guidelines for Commitee and Board Menbers. Review and Herald, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.