Cite as print book. Do not add the library URL unless it is a persistent DOI. 8. Alternative & Complementary Resources If you cannot access Alex Sobur’s ebook, these alternatives cover similar ground:
Sobur, A. (2016). Semiotika komunikasi (Cet. 3). PT Remaja Rosdakarya. semiotika komunikasi alex sobur ebook
(Sobur, 2016, p. 45)