Gaya APA
Pinkley, Diane, Pritchard, Gabrielle. (2020).
Our World Student Book 1 (Student Book Second Edition).
USA:
National Geographic Learning.
Gaya Chicago
Pinkley, Diane, Pritchard, Gabrielle.
Our World Student Book 1.
Student Book Second Edition
USA:
National Geographic Learning,
2020.
Text.
Gaya MLA
Pinkley, Diane, Pritchard, Gabrielle.
Our World Student Book 1.
Student Book Second Edition
USA:
National Geographic Learning,
2020.
Text.
Gaya Turabian
Pinkley, Diane, Pritchard, Gabrielle.
Our World Student Book 1.
Student Book Second Edition
USA:
National Geographic Learning,
2020.
Print.