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.
Chicago Style (17th ed.) ZitazioaInstituto 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.
MLA (9th ed.) ZitazioaInstituto 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.