Gaya APA

[s.n.], . (1976). The world of learning 1976-1977 Volume two: Rhodesia - Zambia Index (27th edition). London: Europa Publications limited.

Gaya MLA

[s.n.], . "The world of learning 1976-1977 Volume two: Rhodesia - Zambia Index". 27th edition London: Europa Publications limited, 1976. Text.