BEARD, R. (1969). Risk theory. Methuen.
Chicagoスタイル(17版)引用形式BEARD, R.E. Risk Theory. London: Methuen, 1969.
MLA(9版)引用形式BEARD, R.E. Risk Theory. Methuen, 1969.
警告: この引用は必ずしも正確ではありません.
BEARD, R. (1969). Risk theory. Methuen.
Chicagoスタイル(17版)引用形式BEARD, R.E. Risk Theory. London: Methuen, 1969.
MLA(9版)引用形式BEARD, R.E. Risk Theory. Methuen, 1969.