Macri, L. M.; एवं अन्य (2006). "A New Cepheid Distance to the Maser-Host Galaxy NGC 4258 and Its Implications for the Hubble Constant". The Astrophysical Journal. 652 (2): 1133–1149. arXiv:astro-ph/0608211. डीओआइ:10.1086/508530. बिबकोड:2006ApJ...652.1133M. Explicit use of et al. in: |author2= (मदद)
doi.org
Macri, L. M.; एवं अन्य (2006). "A New Cepheid Distance to the Maser-Host Galaxy NGC 4258 and Its Implications for the Hubble Constant". The Astrophysical Journal. 652 (2): 1133–1149. arXiv:astro-ph/0608211. डीओआइ:10.1086/508530. बिबकोड:2006ApJ...652.1133M. Explicit use of et al. in: |author2= (मदद)
Macri, L. M.; एवं अन्य (2006). "A New Cepheid Distance to the Maser-Host Galaxy NGC 4258 and Its Implications for the Hubble Constant". The Astrophysical Journal. 652 (2): 1133–1149. arXiv:astro-ph/0608211. डीओआइ:10.1086/508530. बिबकोड:2006ApJ...652.1133M. Explicit use of et al. in: |author2= (मदद)