Purba, T. “The ANALISIS RESPON SEGMEN PSIKOGRAFIS TERHADAP PASAR KAGET DI KOTA BATAM: Segmen Psikografis”. JURNAL AKUNTANSI BARELANG, vol. 2, no. 2, June 2018, pp. 169-87, https://forum.upbatam.ac.id/index.php/jab/article/view/508.