Gaya APA
Factors affecting desire to buy environmental friendly products. (2012).
Surabaya:
Fak. Bisnis & Ekonomi, Univ Surabaya.
Gaya MLA
Factors affecting desire to buy environmental friendly products.
.
Surabaya:
Fak. Bisnis & Ekonomi, Univ Surabaya,
2012.
Artikel.