Gaya APA
Honey, Martha. (2002).
Ecotourism Certification : setting standards in practice .
New York:
McGraw Hill.
Gaya Chicago
Honey, Martha.
Ecotourism Certification : setting standards in practice.
New York:
McGraw Hill,
2002.
Buku Tercetak.
Gaya MLA
Honey, Martha.
Ecotourism Certification : setting standards in practice.
New York:
McGraw Hill,
2002.
Buku Tercetak.
Gaya Turabian
Honey, Martha.
Ecotourism Certification : setting standards in practice.
New York:
McGraw Hill,
2002.
Buku Tercetak.