Παραπομπή APA

Padmanabhan, T. (1998). After the first three minutes: The story of our universe. Cambridge University Press.

Παραπομπή Chicago Style

Padmanabhan, T. After the First Three Minutes: The Story of Our Universe. Cambridge ; New York, NY, USA: Cambridge University Press, 1998.

Παραπομπή MLA

Padmanabhan, T. After the First Three Minutes: The Story of Our Universe. Cambridge University Press, 1998.