Firdaus, A. P. (2016). Dahsyatnya pikiran positif: Guna melejitkan. FalahBooks.
Chicago Style (17th ed.) CitationFirdaus, Areya Prabu. Dahsyatnya Pikiran Positif: Guna Melejitkan. FalahBooks, 2016.
MLA (8th ed.) CitationFirdaus, Areya Prabu. Dahsyatnya Pikiran Positif: Guna Melejitkan. FalahBooks, 2016.
Warning: These citations may not always be 100% accurate.