APA (7 ম সংস্করণ) উদ্ধৃতি

READER'S DIGEST. (2004). READER'S DIGEST KNOWLEDGE QUEST: THE NATURAL WORLD. THE READER'S DIGEST ASSOCIATION LIMITED.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

READER'S DIGEST. READER'S DIGEST KNOWLEDGE QUEST: THE NATURAL WORLD. LONDON: THE READER'S DIGEST ASSOCIATION LIMITED, 2004.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

READER'S DIGEST. READER'S DIGEST KNOWLEDGE QUEST: THE NATURAL WORLD. THE READER'S DIGEST ASSOCIATION LIMITED, 2004.