Dyfyniad APA

Haswell, C. H. (1884). Mechanics' and engineers' pocket-book of tables, rules, and formulas pertaining to mechanics, mathematics, and physics (45th ed.). Harper & Brothers.

Dyfyniad Arddull Chicago

Haswell, Chas. H. Mechanics' and Engineers' Pocket-book of Tables, Rules, and Formulas Pertaining to Mechanics, Mathematics, and Physics. 45th ed. New York: Harper & Brothers, 1884.

Dyfyniad MLA

Haswell, Chas. H. Mechanics' and Engineers' Pocket-book of Tables, Rules, and Formulas Pertaining to Mechanics, Mathematics, and Physics. 45th ed. Harper & Brothers, 1884.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.