APA

Gordon R. A., .Real Analysis: A first course. New york: Pearson Education International, 2009: .

Chicago

Gordon Russell A, .Real Analysis: A first course. New york: Pearson Education International, 2009: .

Harvard

Gordon R. A., .Real Analysis: A first course. New york: Pearson Education International, 2009: .

MLA

Gordon Russell A, .New york: Pearson Education International, 2009: . .