National Fertilizer Development Centre (Pakistan). Planning and Development Division. (1992). Annual fertilizer review. National Fertilizer Development Centre, Planning and Development Division, Govt. of Pakistan.
Cytowanie według stylu Chicago (wyd. 17)National Fertilizer Development Centre (Pakistan). Planning and Development Division. Annual Fertilizer Review. Islamabad: National Fertilizer Development Centre, Planning and Development Division, Govt. of Pakistan, 1992.
Cytowanie według stylu MLA (wyd. 8)National Fertilizer Development Centre (Pakistan). Planning and Development Division. Annual Fertilizer Review. National Fertilizer Development Centre, Planning and Development Division, Govt. of Pakistan, 1992.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..