Gaya APA
Wahjoedi, I. (2012).
Bahasa Jepang Perhotelan: Disertai percakapan sehari-hari (front office, f&b, engineering, spa, clinic,pool) .
Yogyakarta:
Andi.
Gaya MLA
Wahjoedi, Isa.
"Bahasa Jepang Perhotelan: Disertai percakapan sehari-hari (front office, f&b, engineering, spa, clinic,pool)".
Yogyakarta:
Andi,
2012.
Pariwisata.