APA (7th ed.) Citation

Ogundipe P.A & Tregidgo, P. (1982). Practical English 1: A comprehensive secondary course (Comprising five pupils' Books and a teacher's Book) Book One (New Edition.). Longman Group Limited.

Chicago Style (17th ed.) Citation

Ogundipe P.A and P.S Tregidgo. Practical English 1: A Comprehensive Secondary Course (Comprising Five Pupils' Books and a Teacher's Book) Book One. New Edition. England: Longman Group Limited, 1982.

MLA (9th ed.) Citation

Ogundipe P.A and P.S Tregidgo. Practical English 1: A Comprehensive Secondary Course (Comprising Five Pupils' Books and a Teacher's Book) Book One. New Edition. Longman Group Limited, 1982.