Gaya APA

Johnson, R, E, J, C, G. (1975). Algebra and The Languange of Mathemathics (--). America: Addison-Wesley Publishing Campany, INc..

Gaya MLA

Johnson, Richard, E., Johnson,, Cheryl, G.. "Algebra and The Languange of Mathemathics". -- America: Addison-Wesley Publishing Campany, INc., 1975. Text.