APA

clements d. h., jones k. w., . (1999). math in my world. new york: mcgraw - hill school division.

Chicago

clements douglas h, jones kenneth w, . 1999. math in my world. new york: mcgraw - hill school division.

Harvard

clements d. h., jones k. w., . (1999). math in my world. new york: mcgraw - hill school division.

MLA

clements douglas h, jones kenneth w, . math in my world. new york: mcgraw - hill school division. 1999.