APA
,, . (1990). Third world patent covnention. New Delhi: National Working Group on Patent Laws.
Chicago
,, . 1990. Third world patent covnention. New Delhi: National Working Group on Patent Laws.
Harvard
,, . (1990). Third world patent covnention. New Delhi: National Working Group on Patent Laws.
MLA
,, . Third world patent covnention. New Delhi: National Working Group on Patent Laws. 1990.