APA-viite (7. p.)

S, B. B. (1990). Current level and trends… (1st edition.). B B S.

Chicago-viite (17. p.)

S, B B. Current Level and Trends…. 1st edition. Dhaka: B B S, 1990.

MLA-viite (9. p.)

S, B B. Current Level and Trends…. 1st edition. B B S, 1990.