APA-viite (7. p.)

SAH, S. (2008). GREEN GENIUS' 101 QUESTIONS & ANSWERS EXCITING ENVIRONMENT: THE QUICKEST WAY O INCREASE YOUR GREEN QUOTIENT. PEARSON EDUCATION.

Chicago-viite (17. p.)

SAH, SNIGDHA. GREEN GENIUS' 101 QUESTIONS & ANSWERS EXCITING ENVIRONMENT: THE QUICKEST WAY O INCREASE YOUR GREEN QUOTIENT. NEW DELHI: PEARSON EDUCATION, 2008.

MLA-viite (9. p.)

SAH, SNIGDHA. GREEN GENIUS' 101 QUESTIONS & ANSWERS EXCITING ENVIRONMENT: THE QUICKEST WAY O INCREASE YOUR GREEN QUOTIENT. PEARSON EDUCATION, 2008.