Naimah, Nur Faidatun, and Ma`munNadiah. 2016. “Motivational Lexicon in Anthony Robbins’ Unlimited Power”. Indonesian EFL Journal: Journal of ELT, Linguistics, and Literature 2 (2), 42-57. https://ejournal.kopertais4.or.id/mataraman/index.php/efi/article/view/2524.