APA

Starkey C., Penn N. W., . (1994). What you need to know about reading signs, directories, schedules, maps, charts, & graphics. Lincolnwood, Ill: National Textbook Company.

Chicago

Starkey Carolyn, Penn Norgina W, . 1994. What you need to know about reading signs, directories, schedules, maps, charts, & graphics. Lincolnwood, Ill: National Textbook Company.

Harvard

Starkey C., Penn N. W., . (1994). What you need to know about reading signs, directories, schedules, maps, charts, & graphics. Lincolnwood, Ill: National Textbook Company.

MLA

Starkey Carolyn, Penn Norgina W, . What you need to know about reading signs, directories, schedules, maps, charts, & graphics. Lincolnwood, Ill: National Textbook Company. 1994.