Firth, R. E. (1973). Guidelines for commitee and board menbers. Review and Herald.
Cita Chicago (17th ed.)Firth, Robert E. Guidelines for Commitee and Board Menbers. Review and Herald, 1973.
Cita MLA (9th ed.)Firth, Robert E. Guidelines for Commitee and Board Menbers. Review and Herald, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.