BELL, F. Ground engineer-s reference book. Butterworths.
Chicagoスタイル(17版)引用形式BELL, F.G. Ground Engineer-s Reference Book. Butterworths.
MLA(8版)引用形式BELL, F.G. Ground Engineer-s Reference Book. Butterworths.
警告: この引用は必ずしも正確ではありません.
BELL, F. Ground engineer-s reference book. Butterworths.
Chicagoスタイル(17版)引用形式BELL, F.G. Ground Engineer-s Reference Book. Butterworths.
MLA(8版)引用形式BELL, F.G. Ground Engineer-s Reference Book. Butterworths.