APA aipamena

Jorgensen Carolyn. (1990). Mastering 1-2-3. BPB.

Chicago Style aipamena

Jorgensen Carolyn. Mastering 1-2-3. New Delhi: BPB, 1990.

MLA aipamena

Jorgensen Carolyn. Mastering 1-2-3. BPB, 1990.