Gaya APA
NURYANTI, W, [. et al
(1993).
Universal tourism
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Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
NURYANTI, Wiendu, [ed.]. et al.
"Universal tourism".
Yogyakarta:
Gadjah Mada University Press,
1993.
Buku.