GLADSTONE, J. Mechanical Estimating Guide Book John Gladstone, Kenneth K. Humphreys. McGraw-Hill.
Chicagoスタイル(17版)引用形式GLADSTONE, John. Mechanical Estimating Guide Book John Gladstone, Kenneth K. Humphreys. McGraw-Hill.
MLA(8版)引用形式GLADSTONE, John. Mechanical Estimating Guide Book John Gladstone, Kenneth K. Humphreys. McGraw-Hill.
警告: この引用は必ずしも正確ではありません.