Lua APA (7ú heag.)

LANGLEY, B. (1995). FUNDAMENTALS OF REFRIGERATION. DELMER PUBL.

Lua i Stíl Chicago (17ú heag.)

LANGLEY, B.C. FUNDAMENTALS OF REFRIGERATION. LONDON: DELMER PUBL, 1995.

Lua MLA (9ú heag.)

LANGLEY, B.C. FUNDAMENTALS OF REFRIGERATION. DELMER PUBL, 1995.

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