APA

Fischell T. R., Hamilton E. G., . (1986). Single variable tabulations 1982-1985. Chapel Hill NC: North Carolina University. Highway Research Center.

Chicago

Fischell Tamara R, Hamilton Elizabeth G, . 1986. Single variable tabulations 1982-1985. Chapel Hill NC: North Carolina University. Highway Research Center.

Harvard

Fischell T. R., Hamilton E. G., . (1986). Single variable tabulations 1982-1985. Chapel Hill NC: North Carolina University. Highway Research Center.

MLA

Fischell Tamara R, Hamilton Elizabeth G, . Single variable tabulations 1982-1985. Chapel Hill NC: North Carolina University. Highway Research Center. 1986.