Gaya APA
Bassett, W.H.. (1992).
Clay's handbook of environmental health (16th ed).
London:
Champan andll.
Gaya Chicago
Bassett, W.H..
Clay's handbook of environmental health.
16th ed
London:
Champan andll,
1992.
Text.
Gaya MLA
Bassett, W.H..
Clay's handbook of environmental health.
16th ed
London:
Champan andll,
1992.
Text.
Gaya Turabian
Bassett, W.H..
Clay's handbook of environmental health.
16th ed
London:
Champan andll,
1992.
Print.