Παραπομπή APA

Lal, C. E. (1986). Information sources in science and technology. Delhi.

Παραπομπή Chicago Style

Lal, Chhotey Etc. Information Sources in Science and Technology. Bharati publications: Delhi, 1986.

Παραπομπή MLA

Lal, Chhotey Etc. Information Sources in Science and Technology. Delhi, 1986.