People and Planet. IPPF.
Chicago Style (17th ed.) CitationPeople and Planet. EN: IPPF.
MLA (9th ed.) CitationPeople and Planet. IPPF.
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APA (7th ed.) Citation
People and Planet. IPPF.
Chicago Style (17th ed.) CitationPeople and Planet. EN: IPPF.
MLA (9th ed.) CitationPeople and Planet. IPPF.