Gaya APA

], R, D, V, V, B., martriwati, M. (2021). The Relationship between Self-Confidence and Speaking Ability of the Eight Grade Students at SMPN 5 Tigaraksa in 2021/2022 Academic Year . Jakarta: .

Gaya MLA

], Robert, D., Van, Valin.jr.[edited, By:., martriwati, M.pd.. "The Relationship between Self-Confidence and Speaking Ability of the Eight Grade Students at SMPN 5 Tigaraksa in 2021/2022 Academic Year". Jakarta: , 2021. Text.