Gaya APA

Sitchin, Z. (2010). There were giants upon the earth: Gods, demigods, and human ancestry: the evidence of alien DNA. . Rochester & Toronto: Rochester & Toronto Bear & Company.

Gaya MLA

Sitchin, Zecharia. "There were giants upon the earth: Gods, demigods, and human ancestry: the evidence of alien DNA. ". Rochester & Toronto: Rochester & Toronto Bear & Company, 2010. Buku.