Gaya APA
Caisse, S. et al (2020).
Explorations 1: Grammar for the Experienced Beginner (Cetakan pertama).
Oregon, USA:
Clackamas Community College.
Gaya MLA
Caisse, Susan. et al.
"Explorations 1: Grammar for the Experienced Beginner".
Cetakan pertama
Oregon, USA:
Clackamas Community College,
2020.
Text.