APA-ийн эшлэл(7 дахь хэвлэлт)
Thapar, R. (1959). Visual aids in fundamental education and community development: Visual aids in fundamental education and community development.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Thapar, Romesh. Visual Aids in Fundamental Education and Community Development: Visual Aids in Fundamental Education and Community Development. 1959.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Thapar, Romesh. Visual Aids in Fundamental Education and Community Development: Visual Aids in Fundamental Education and Community Development. 1959.
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