Ghristian, Ignatius Danu. “Pengaruh Harga Diskon, Kualitas Produk, Citra Merek, Dan Iklan Terhadap Minat Beli Celana Jeans Levi’s Di Surabaya”. Journal of Business & Banking, vol. 5, no. 2, Feb. 2016, pp. 319-36, https://doi.org/10.14414/jbb.v5i2.710.