Gaya APA
Turk, Jonathan. (1978).
Environmental science (third edition).
Philadelphia:
Saunders College Publishing.
Gaya Chicago
Turk, Jonathan.
Environmental science.
third edition
Philadelphia:
Saunders College Publishing,
1978.
ML.
Gaya MLA
Turk, Jonathan.
Environmental science.
third edition
Philadelphia:
Saunders College Publishing,
1978.
ML.
Gaya Turabian
Turk, Jonathan.
Environmental science.
third edition
Philadelphia:
Saunders College Publishing,
1978.
ML.