APA-ийн эшлэл(7 дахь хэвлэлт)

AJAEGBU, H., & FANIRAN, A. (1973). A new approach to practical work in geography. Heinemann Educational Books.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

AJAEGBU, H.I, ба A. FANIRAN. A New Approach to Practical Work in Geography. London: Heinemann Educational Books, 1973.

MLA -ийн эшлэл (9 дэх хэвлэлт)

AJAEGBU, H.I, ба A. FANIRAN. A New Approach to Practical Work in Geography. Heinemann Educational Books, 1973.