APA Баримт

(1991). Science year 1992: The world book annual science supplement: A review of Science and Technology During the 1991 School year. ЗАО "Росмэн прэсс".

Чикаго маягийн жагсаалт

Science Year 1992: The World Book Annual Science Supplement: A Review of Science and Technology During the 1991 School Year. chicago: ЗАО "Росмэн прэсс", 1991.

MLA ишлэл

Science Year 1992: The World Book Annual Science Supplement: A Review of Science and Technology During the 1991 School Year. ЗАО "Росмэн прэсс", 1991.