APA-ийн эшлэл(7 дахь хэвлэлт)
ROYAL NATIONAL INSTITUTE FOR THE BLIND. (1994). LEARNING - CLOCKS AND WATCHES - MOBILITY - BRAILLE - GAMES AND PUZZLES - DAILY LIVING. PRODUCT GUIDE. ROYAL NATIONAL INSTITUTE FOR THE BLIND.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ROYAL NATIONAL INSTITUTE FOR THE BLIND. LEARNING - CLOCKS AND WATCHES - MOBILITY - BRAILLE - GAMES AND PUZZLES - DAILY LIVING. PRODUCT GUIDE. Londres: ROYAL NATIONAL INSTITUTE FOR THE BLIND, 1994.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ROYAL NATIONAL INSTITUTE FOR THE BLIND. LEARNING - CLOCKS AND WATCHES - MOBILITY - BRAILLE - GAMES AND PUZZLES - DAILY LIVING. PRODUCT GUIDE. ROYAL NATIONAL INSTITUTE FOR THE BLIND, 1994.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.