Não informado. (1978). Extension review. Science and Education Administration.
Chicagoスタイル(17版)引用形式Não informado. Extension Review. Washington: Science and Education Administration, 1978.
MLA(8版)引用形式Não informado. Extension Review. Science and Education Administration, 1978.
警告: この引用は必ずしも正確ではありません.