Gaya APA
Confined space entry : a guide to compliance / Frank R. Spellman
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(1999).
:
Boca Raton, Fla., CRC Press.
Gaya MLA
Confined space entry : a guide to compliance / Frank R. Spellman
.
.
:
Boca Raton, Fla., CRC Press,
1999.
Text.