Rijksinstituut voor de Volksgezondheid (Netherlands) & Philips' Gloeilampenfabrieken. (1971). Methods for the automatic measurement of various air pollutants: Recommendation of the Working Group for Analytical Chemistry (Abbrev. English version.). [s.n.].
Chicago Style (17th ed.) CitationRijksinstituut voor de Volksgezondheid (Netherlands) and Philips' Gloeilampenfabrieken. Methods for the Automatic Measurement of Various Air Pollutants: Recommendation of the Working Group for Analytical Chemistry. Abbrev. English version. [S.l.]: [s.n.], 1971.
MLA (8th ed.) CitationRijksinstituut voor de Volksgezondheid (Netherlands) and Philips' Gloeilampenfabrieken. Methods for the Automatic Measurement of Various Air Pollutants: Recommendation of the Working Group for Analytical Chemistry. Abbrev. English version. [s.n.], 1971.