Gaya APA

Yates, J. (1999). The ins and outs of prepositions: a guidebook for esl students and all others seeking help in correct use of prepositions . USA: Barron's Educational Series, Inc..

Gaya MLA

Yates, Jean. "The ins and outs of prepositions: a guidebook for esl students and all others seeking help in correct use of prepositions". USA: Barron's Educational Series, Inc., 1999. Text.