YPF. (2009). Argentina: Guía YPF-2009.2010 (1a. ed.). YPF.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
YPF. Argentina: Guía YPF-2009.2010. 1a. ed. Buenos Aires: YPF, 2009.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
YPF. Argentina: Guía YPF-2009.2010. 1a. ed. YPF, 2009.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.