Ngā kupu hautoa kōpae
Tohutoro APA (7th ed.)
(2012). Natural gas information 2012: With 2011 data. OECD.
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Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Natural Gas Information 2012: With 2011 Data. [Place of publication not identified]: OECD, 2012.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Natural Gas Information 2012: With 2011 Data. OECD, 2012.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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