Gaya APA

Abdalla, F. (2018). The PMA (Positive Mental Attitude) method : 14 days to a stronger, healthier, happier you . London: Aster.

Gaya MLA

Abdalla, Faisal. "The PMA (Positive Mental Attitude) method : 14 days to a stronger, healthier, happier you". London: Aster, 2018. Text.