APA Citation

ProQuest. (1997). Dissertation abstracts [Đĩa CD-ROM]. USA: Umi company.

Chicago Style Citation

ProQuest. Dissertation Abstracts [Đĩa CD-ROM]. USA: Umi company, 1997.

MLA Citation

ProQuest. Dissertation Abstracts [Đĩa CD-ROM]. USA: Umi company, 1997.

Warning: These citations may not always be 100% accurate.