Instituto Nacional de Normalización. (2007). Geometrical product specifications GPS Dimensional and geometrical tolerances for moulded parts: Part 3. General dimensional and geometrical tolerances and machining allowances for casting (1a. ed.). INN.
Cytowanie według stylu Chicago (wyd. 17)Instituto Nacional de Normalización. Geometrical Product Specifications GPS Dimensional and Geometrical Tolerances for Moulded Parts: Part 3. General Dimensional and Geometrical Tolerances and Machining Allowances for Casting. 1a. ed. Ginebra: INN, 2007.
Cytowanie według stylu MLA (wyd. 9)Instituto Nacional de Normalización. Geometrical Product Specifications GPS Dimensional and Geometrical Tolerances for Moulded Parts: Part 3. General Dimensional and Geometrical Tolerances and Machining Allowances for Casting. 1a. ed. INN, 2007.