APA-viite (7. p.)

SUYANTO, K. K., & SRI RACHMAJANTI. Let's communicate in english: a speaking course for advanced: A speaking course for advanced. Bayumedia.

Chicago-viite (17. p.)

SUYANTO, Kasihani K.E, ja SRI RACHMAJANTI. Let's Communicate in English: A Speaking Course for Advanced: A Speaking Course for Advanced. Malang: Bayumedia.

MLA-viite (9. p.)

SUYANTO, Kasihani K.E, ja SRI RACHMAJANTI. Let's Communicate in English: A Speaking Course for Advanced: A Speaking Course for Advanced. Bayumedia.