Peña, M. (2005). HuDo 1 and HuBi 1: Two planetary nebulae ionized by cool [WC] central stars.
Citación estilo ChicagoPeña, M. HuDo 1 and HuBi 1: Two Planetary Nebulae Ionized By Cool [WC] Central Stars. 2005.
Cita MLAPeña, M. HuDo 1 and HuBi 1: Two Planetary Nebulae Ionized By Cool [WC] Central Stars. 2005.
Precaución: Estas citas no son 100% exactas.