APA način citiranja (7. izdanje)

Ungson, R. (1975). Abaca marketing, Part I: Bicol. Special Studies Division, Dept. of Agriculture.

Čikaški stil citiranja (17. izdanje)

Ungson, R.D. Abaca Marketing, Part I: Bicol. Quezon City: Special Studies Division, Dept. of Agriculture, 1975.

MLA način citiranja (9. izdanje)

Ungson, R.D. Abaca Marketing, Part I: Bicol. Special Studies Division, Dept. of Agriculture, 1975.