APA

Chapman E. N., . (1990). Your first thirty days: building a professional image in a new job. Los Altos, Calif: Crisp Publications.

Chicago

Chapman Elwood N, . 1990. Your first thirty days: building a professional image in a new job. Los Altos, Calif: Crisp Publications.

Harvard

Chapman E. N., . (1990). Your first thirty days: building a professional image in a new job. Los Altos, Calif: Crisp Publications.

MLA

Chapman Elwood N, . Your first thirty days: building a professional image in a new job. Los Altos, Calif: Crisp Publications. 1990.