Gaya APA
Guch, I. (2000).
Ebook Chemistry : The Complete Book Of Chemistry Quizzes And Practice Problems (1).
171 halaman:
Cavalcade Publishing.
Gaya MLA
Guch, Ian.
"Ebook Chemistry : The Complete Book Of Chemistry Quizzes And Practice Problems".
1
171 halaman:
Cavalcade Publishing,
2000.
Text.