Cita APA (7th ed.)

TERI. (2008). EN ENDANGERED STRUGGLING TO SURVIVE: LIFE IN THE SKY. PEARSON EDUCATION.

Cita Chicago (17th ed.)

TERI. EN ENDANGERED STRUGGLING TO SURVIVE: LIFE IN THE SKY. NEW DELHI: PEARSON EDUCATION, 2008.

Cita MLA (9th ed.)

TERI. EN ENDANGERED STRUGGLING TO SURVIVE: LIFE IN THE SKY. PEARSON EDUCATION, 2008.