Gaya APA

LAFFERTY, P. (1998). MACMILLAN REVISED ENCYCLOPEDIA OF SCIENCE MATTER AND ENERGY 1 . NEW YORK: MACMILLAN REFERENCE.

Gaya MLA

LAFFERTY, PETER. "MACMILLAN REVISED ENCYCLOPEDIA OF SCIENCE MATTER AND ENERGY 1". NEW YORK: MACMILLAN REFERENCE, 1998. Text.