Não informado. (1969). AAS photo-bulletin. American Astronomical Society, Working Group on Photographic Materials.
Chicago Style (17th ed.) CitationNão informado. AAS Photo-bulletin. Rochester, NY: American Astronomical Society, Working Group on Photographic Materials, 1969.
MLA (8th ed.) CitationNão informado. AAS Photo-bulletin. American Astronomical Society, Working Group on Photographic Materials, 1969.
Warning: These citations may not always be 100% accurate.